Scattered areas of heavy rain continue to produce isolated flash flooding across the Florida peninsula. Anomalous moisture will combine with a cold front and will bring heavy rain and scattered flash flooding across the Mid-South, Ohio and Tennessee Valleys today and Tuesday. Above average temperatures will continue to be found ahead of the cold front from the Midwest to the Northeast. Read More >
The following are the September climate summaries for Jackson and London as well as the
September Local Climatological Data reports for Jackson and London:
...THE JACKSON KY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1981 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 98 09/10/2019
LOW 34 09/24/1989
HIGHEST 86 09/21 89 -3 92 09/20
LOWEST 52 09/07 42 10 47 09/09
09/08
09/09
AVG. MAXIMUM 79.0 79.0 0.0 80.1
AVG. MINIMUM 59.8 59.1 0.7 61.3
MEAN 69.4 69.1 0.3 70.7
DAYS MAX >= 90 0 2.1 -2.1 3
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.17 2018
MINIMUM T 2019
TOTALS 4.13 3.42 0.71 4.49
DAILY AVG. 0.14 0.11 0.03 0.15
DAYS >= .01 10 8.2 1.8 13
DAYS >= .10 9 5.6 3.4 7
DAYS >= .50 3 2.2 0.8 3
DAYS >= 1.00 1 1.0 0.0 2
GREATEST
24 HR. TOTAL 1.80 09/05 TO 09/06 1.75
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS *T 0.0 0.0 0.0
SINCE 7/1 *T 0.0 0.0 0.0
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL *T 09/05 0
DEGREE DAYS
HEATING TOTAL 11 39 -28 8
SINCE 7/1 15 40 -25 9
COOLING TOTAL 150 161 -11 189
SINCE 1/1 1228 1195 33 1431
................................................................
WIND (MPH)
AVERAGE WIND SPEED 1.1
HIGHEST WIND SPEED/DIRECTION 22/310 DATE 09/05
HIGHEST GUST SPEED/DIRECTION 46/290 DATE 09/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.28
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 9
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL *1
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 7
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...*HAIL...
$$
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: JACKSON KY
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 81 57 69 -4 0 4 0.00 0.0 0 0.2 7 140 M M 1 11 110
2 80 58 69 -4 0 4 0.20 0.0 0 2.4 8 270 M M 3 13 17 250
3 77 57 67 -6 0 2 0.15 0.0 0 2.7 10 260 M M 2 123 20 270
4 70 61 66 -6 0 1 0.80 0.0 0 3.0 12 310 M M 7 123 19 240
5 84 62 73 1 0 8 1.25 T 0 3.2 22 310 M M 3 1235 46 290
6 65 55 60 -12 5 0 0.55 0.0 0 1.0 7 330 M M 10 123 11 330
7 71 52 62 -10 3 0 0.00 0.0 0 0.1 7 320 M M 6 12 11 310
8 73 52 63 -8 2 0 0.00 0.0 0 0.9 7 150 M M 2 12 100
9 75 52 64 -7 1 0 0.00 0.0 0 0.3 7 180 M M 1 11 160
10 78 54 66 -5 0 1 0.00 0.0 0 1.4 7 290 M M 1 11 320
11 80 60 70 -1 0 5 0.00 0.0 0 0.1 6 150 M M 4 10 140
12 79 58 69 -1 0 4 0.00 0.0 0 0.1 6 130 M M 0 11 140
13 81 57 69 -1 0 4 0.00 0.0 0 0.3 6 150 M M 1 10 280
14 83 63 73 3 0 8 0.00 0.0 0 0.0 6 320 M M 4 9 320
15 84 62 73 4 0 8 0.00 0.0 0 0.0 3 350 M M 1 7 80
16 79 61 70 1 0 5 T 0.0 0 0.8 6 120 M M 2 1 9 110
17 80 57 69 0 0 4 0.00 0.0 0 0.1 5 140 M M 0 12 9 140
18 83 60 72 4 0 7 0.00 0.0 0 0.6 6 310 M M 0 8 320
19 85 60 73 5 0 8 0.00 0.0 0 0.6 6 320 M M 1 10 300
20 83 62 73 5 0 8 0.02 0.0 0 1.5 7 140 M M 2 3 12 170
21 86 65 76 9 0 11 T 0.0 0 4.1 9 180 M M 1 3 17 180
22 81 65 73 6 0 8 0.21 0.0 0 3.0 15 260 M M 4 13 29 250
23 81 64 73 6 0 8 0.45 0.0 0 2.0 8 170 M M 7 12 14 310
24 76 66 71 5 0 6 0.34 0.0 0 1.6 7 180 M M 9 1 13 180
25 79 65 72 6 0 7 0.16 0.0 0 1.6 9 180 M M 7 1 20 230
26 76 64 70 4 0 5 0.00 0.0 0 0.1 5 140 M M 6 9 130
27 80 62 71 6 0 6 0.00 0.0 0 0.6 8 330 M M 2 14 310
28 80 58 69 4 0 4 0.00 0.0 0 0.2 5 80 M M 0 1 12 70
29 82 63 73 8 0 8 0.00 0.0 0 0.4 7 90 M M 0 14 70
30 79 63 71 7 0 6 0.00 0.0 0 0.1 5 10 M M 2 10 150
================================================================================
SM 2371 1795 11 150 4.13 T 33.0 M 89
================================================================================
AV 79.0 59.8 1.1 FASTST M M 3 MAX(MPH)
MISC ----> 22 310 46 290
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: JACKSON KY
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 69.4 TOTAL FOR MONTH: 4.13 1 = FOG OR MIST
DPTR FM NORMAL: 0.3 DPTR FM NORMAL: 0.71 2 = FOG REDUCING VISIBILITY
HIGHEST: 86 ON 21 GRTST 24HR 1.80 ON 5- 6 TO 1/4 MILE OR LESS
LOWEST: 52 ON 9, 8 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: T 5 = HAIL
GRTST 24HR T ON 5- 5 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 0 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 10
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 11 CLEAR (SCALE 0-3) 19
DPTR FM NORMAL -28 PTCLDY (SCALE 4-7) 9
TOTAL FM JUL 1 15 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -25
[CDD (BASE 65) ]
TOTAL THIS MO. 150
DPTR FM NORMAL -11 [PRESSURE DATA]
TOTAL FM JAN 1 1228 HIGHEST SLP 30.28 ON 8
DPTR FM NORMAL 33 LOWEST SLP 29.79 ON 4
[REMARKS]
#FINAL-09-25#
...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1954 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 97 09/05/2007
LOW 32 09/24/1983
HIGHEST 87 09/05 MM MM 89 09/22
09/20
LOWEST 49 09/08 MM MM 45 09/09
09/09
AVG. MAXIMUM 81.0 80.0 1.0 79.2
AVG. MINIMUM 57.6 57.6 0.0 59.9
MEAN 69.3 68.8 0.5 69.5
DAYS MAX >= 90 0 3.0 -3.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.50 2004
MINIMUM 0.11 2019
TOTALS 4.76 3.55 1.21 4.01
DAILY AVG. 0.16 0.12 0.04 0.13
DAYS >= .01 11 8.3 2.7 13
DAYS >= .10 11 5.5 5.5 9
DAYS >= .50 3 2.1 0.9 3
DAYS >= 1.00 2 1.0 1.0 0
GREATEST
24 HR. TOTAL 1.44 09/22 TO 09/23 1.14
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS MM MM MM MM
SINCE 7/1 MM MM MM MM
SNOWDEPTH AVG. MM MM
DAYS >= 1.0 MM MM MM MM
GREATEST
SNOW DEPTH MM MM
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 11 38 -27 14
SINCE 7/1 17 37 -20 15
COOLING TOTAL 149 152 -3 156
SINCE 1/1 MM 1192 MM 1041
................................................................
WIND (MPH)
AVERAGE WIND SPEED 2.8
HIGHEST WIND SPEED/DIRECTION 28/270 DATE 09/22
HIGHEST GUST SPEED/DIRECTION 39/260 DATE 09/22
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 8
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 23 FOG W/VIS <= 1/4 MILE 4
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...NOTE...COOLING DEGREE DAYS TOTAL MISSING SINCE 1/1 DUE TO SENSOR OUTAGE...
$$
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: LONDON KY
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 83 53 68 -5 0 3 0.00 M M 3.1 13 210 M M 2 19 20
2 79 58 69 -4 0 4 0.19 M M 3.0 25 190 M M 5 138 36 210
3 81 61 71 -2 0 6 0.11 M M 4.1 17 230 M M 6 123 24 230
4 74 61 68 -4 0 3 1.09 M M 3.6 12 300 M M 6 13 19 250
5 87 62 75 3 0 10 0.19 M M 4.9 17 240 M M 4 13 26 250
6 69 54 62 -10 3 0 0.42 M M 2.7 9 330 M M 9 13 13 330
7 73 50 62 -10 3 0 0.00 M M 2.4 9 20 M M 7 12 13 20
8 74 49 62 -9 3 0 0.00 M M 3.1 13 20 M M 1 1 19 40
9 77 49 63 -8 2 0 0.00 M M 2.0 10 290 M M 2 15 280
10 81 51 66 -5 0 1 0.00 M M 1.6 10 360 M M 2 1 14 10
11 81 57 69 -1 0 4 T M M 1.2 13 10 M M 1 1 15 20
12 81 54 68 -2 0 3 0.00 M M 2.3 12 360 M M 0 1 17 20
13 83 52 68 -2 0 3 0.00 M M 0.4 8 210 M M 0 1 11 220
14 85 61 73 3 0 8 0.00 M M 1.4 8 110 M M 3 13 120
15 86 59 73 4 0 8 0.00 M M 1.4 7 30 M M 1 1 11 50
16 83 58 71 2 0 6 0.00 M M 1.7 10 80 M M 1 1 16 50
17 82 55 69 1 0 4 0.00 M M 1.7 10 30 M M 1 12 15 80
18 85 55 70 2 0 5 0.00 M M 1.0 10 80 M M 0 1 14 90
19 86 55 71 3 0 6 0.00 M M 0.9 9 150 M M 0 12 160
20 87 59 73 6 0 8 0.00 M M 1.4 8 120 M M 0 11 110
21 83 60 72 5 0 7 0.22 M M 3.9 26 260 M M 1 3 34 270
22 82 61 72 5 0 7 0.16 M M 5.5 28 270 M M 3 13 39 260
23 81 65 73 7 0 8 1.28 M M 4.8 14 200 M M 6 13 20 220
24 78 67 73 7 0 8 0.53 M M 4.9 15 240 M M 9 1 22 250
25 80 66 73 7 0 8 0.38 M M 4.1 13 280 M M 7 1 19 280
26 80 64 72 7 0 7 0.19 M M 2.7 12 40 M M 7 1 15 10
27 81 60 71 6 0 6 0.00 M M 3.3 12 360 M M 3 1 16 20
28 83 55 69 5 0 4 0.00 M M 3.0 13 30 M M 1 12 20 50
29 83 59 71 7 0 6 0.00 M M 4.6 15 40 M M 1 25 40
30 82 59 71 7 0 6 0.00 M M 3.5 13 30 M M 2 1 18 20
================================================================================
SM 2430 1729 11 149 4.76 M 84.2 M 91
================================================================================
AV 81.0 57.6 2.8 FASTST M M 3 MAX(MPH)
MISC ----> 28 270 39 260
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: LONDON KY
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 69.3 TOTAL FOR MONTH: 4.76 1 = FOG OR MIST
DPTR FM NORMAL: 0.5 DPTR FM NORMAL: 1.21 2 = FOG REDUCING VISIBILITY
HIGHEST: 87 ON 20, 5 GRTST 24HR 1.44 ON 22-23 TO 1/4 MILE OR LESS
LOWEST: 49 ON 9, 8 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: M 5 = HAIL
GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: M ON M 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 11
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 11
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2
[HDD (BASE 65) ]
TOTAL THIS MO. 11 CLEAR (SCALE 0-3) 19
DPTR FM NORMAL -27 PTCLDY (SCALE 4-7) 9
TOTAL FM JUL 1 17 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -20
[CDD (BASE 65) ]
TOTAL THIS MO. 149
DPTR FM NORMAL -3 [PRESSURE DATA]
TOTAL FM JAN 1 1254 HIGHEST SLP 30.26 ON 8
DPTR FM NORMAL 62 LOWEST SLP 29.80 ON 4
[REMARKS]
#FINAL-09-25#
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