World Resorts USA San Antonio Weather

San Antonio weather in September

Weather in San Antonio: September

Average day temperature: 90.8°F
Average night temperature: 75.7°F
Number of sunny days: 17 days
Day length: 11.9 - 12.7 hours
Number of rainy days: 1 day
Precipitation totals: 0.6 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 98°F. At the same time the lowest night temperature was 67°F. Day and night temperature averages during September were 91.4°F and 75.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in San Antonio in September is 0.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 8.0 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.8.

Best time for vacation in San Antonio

Sunniest months:
August 17 days
September 17 days
October 17 days
Warmest months:
August 95.6 °F
July 94.5 °F
June 93.3 °F
Coldest months:
January 61.5 °F
February 62.5 °F
December 65.8 °F
Rainiest months:
May 4 days
April 2 days
January 2 days
Windiest months:
April 10.3 mph
May 9.7 mph
March 9.5 mph

San Antonio on a weather map

San Antonio
+52°F
W 2 mph
Feels like: +50°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+43°F
+73°F
+73°F
+41°F
+55°F
+73°F
+66°F
+48°F
+50°F
+55°F
+64°F
+61°F
+54°F
+32°F
24 Hours Forecast
San Antonio
Local time: 09:07
November 21, thursday
1200
70°F
N
3 mph
1500
75°F
NE
4 mph
1800
73°F
N
2 mph
2100
64°F
N
4 mph
November 22, friday
0000
59°F
NE
3 mph
0300
57°F
E
3 mph
0600
54°F
SE
2 mph
0900
57°F
SW
1 mph
Units of measurement: °C / °F