Climatological Report (Monthly)
Issued by NWS Austin/San Antonio, TX
Issued by NWS Austin/San Antonio, TX
818
CXUS54 KEWX 012206
CLMSAT
CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO
441 PM CDT WED OCT 01 2025
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...THE SAN ANTONIO CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
HIGHEST 100 09/04 99 09/25
LOWEST 63 09/27 62 09/27
AVG. MAXIMUM 92.3 90.1 2.2 93.8
AVG. MINIMUM 71.0 69.6 1.4 72.7
MEAN 81.7 79.9 1.8 83.3
DAYS MAX >= 90 26 24
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 1.29 3.88 -2.59 1.46
DAILY AVG. 0.04 0.13 -0.09 0.05
DAYS >= .01 3 4
DAYS >= .10 2 1
DAYS >= .50 1 1
DAYS >= 1.00 1 1
GREATEST
24 HR. TOTAL 1.16 09/07 TO 09/07
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 MM
DEGREE DAYS
HEATING TOTAL 0 1 -1 0
SINCE 7/1 0 0 0 MM
COOLING TOTAL 508 446 62 557
SINCE 1/1 3443 2845 598 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 6.1
HIGHEST WIND SPEED/DIRECTION 28/120 DATE 09/15
HIGHEST GUST SPEED/DIRECTION 34/120 DATE 09/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.43
NUMBER OF DAYS FAIR 12
NUMBER OF DAYS PC 16
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 2
LIGHT RAIN 2 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 1 FOG W/VIS <= 1/4 MILE 0
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
MONTHLY CLIMATE SUMMARY:
SEPTEMBER 2025 WAS TIED FOR THE 27TH WARMEST AND WAS THE 34TH DRIEST ON RECORD.
SEA LEVEL PRESSURE DATA:
HIGHEST SLP 30.10 ON THE 16TH
LOWEST SLP 29.72 ON THE 22ND
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: SAN ANTONIO
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 29 31 N
LONGITUDE: 98 28 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 90 74 82 -1 0 17 0.00 0.0 0 5.8 14 270 M M 7 17 360
2 97 72 85 2 0 20 0.00 0.0 0 6.3 16 30 M M 3 24 10
3 98 77 88 5 0 23 0.00 0.0 0 5.4 15 360 M M 4 22 250
4 100 69 85 2 0 20 0.00 0.0 0 5.4 13 150 M M 2 18 240
5 97 77 87 5 0 22 0.00 0.0 0 9.2 22 140 M M 6 28 140
6 89 75 82 0 0 17 0.12 0.0 0 6.3 21 340 M M 10 28 340
7 78 71 75 -7 0 10 1.16 0.0 0 6.9 14 50 M M 9 1 18 60
8 87 70 79 -3 0 14 0.00 0.0 0 4.9 13 30 M M 3 18 50
9 90 65 78 -4 0 13 0.00 0.0 0 3.7 9 80 M M 1 13 40
10 92 69 81 0 0 16 0.00 0.0 0 3.1 12 120 M M 0 17 120
11 93 67 80 -1 0 15 0.00 0.0 0 5.2 17 120 M M 3 23 110
12 94 75 85 4 0 20 0.00 0.0 0 7.1 20 130 M M 4 26 130
13 93 71 82 2 0 17 0.00 0.0 0 9.1 21 130 M M 5 27 130
14 93 71 82 2 0 17 0.00 0.0 0 8.4 18 140 M M 6 27 170
15 92 71 82 2 0 17 0.00 0.0 0 5.7 28 120 M M 3 34 120
16 92 71 82 2 0 17 0.00 0.0 0 5.2 16 140 M M 5 22 140
17 92 69 81 1 0 16 0.00 0.0 0 6.2 17 150 M M 4 27 160
18 92 70 81 2 0 16 0.00 0.0 0 5.7 17 150 M M 6 24 160
19 93 71 82 3 0 17 0.00 0.0 0 4.7 17 160 M M 4 23 140
20 93 71 82 3 0 17 0.00 0.0 0 5.6 21 160 M M 4 27 160
21 94 77 86 8 0 21 0.00 0.0 0 9.7 22 150 M M 5 30 140
22 95 77 86 8 0 21 0.00 0.0 0 9.4 20 150 M M 5 28 130
23 97 79 88 10 0 23 0.00 0.0 0 10.0 23 160 M M 5 31 170
24 93 76 85 7 0 20 0.00 0.0 0 9.4 23 350 M M 6 29 350
25 92 74 83 5 0 18 0.01 0.0 0 6.0 16 320 M M 6 24 320
26 91 65 78 1 0 13 0.00 0.0 0 4.0 12 90 M M 2 16 330
27 92 63 78 1 0 13 0.00 0.0 0 4.6 10 100 M M 2 17 100
28 91 64 78 1 0 13 0.00 0.0 0 3.2 12 300 M M 2 19 280
29 87 64 76 0 0 11 0.00 0.0 0 2.1 9 120 M M 6 13 140
30 92 65 79 3 0 14 0.00 0.0 0 3.4 10 110 M M 3 16 80
================================================================================
SM 2769 2130 0 508 1.29 0.0 181.7 M 131
================================================================================
AV 92.3 71.0 6.1 FASTST M M 4 MAX(MPH)
MISC ----> 28 120 34 120
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
SYMBOLS USED IN COLUMN 16
1 = FOG OR MIST
2 = FOG REDUCING VISIBILITY TO 1/4 MILE OR LESS
3 = THUNDER
4 = ICE PELLETS
5 = HAIL
6 = FREEZING RAIN OR DRIZZLE
7 = DUSTSTORM OR SANDSTORM: VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
9 = BLOWING SNOW
X = TORNADO
$$