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Today Hourly 7 days 30 days September
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September 2026 Weather | San Antonio, Texas

Today 9/3
Cloudy Weather
Day 102°
Night 79°
22
Fri 9/4
Cloudy Weather
Day 97°
Night 79°
25
Sat 9/5
Cloudy Weather
Day 93°
Night 75°
25
Sun 9/6
Cloudy Weather
Day 99°
Night 79°
55
Mon 9/7
Cloudy Weather
Day 99°
Night 77°
55
Tue 9/8
Sunny with a Chance of Thunderstorms
Day 99°
Night 75°
72
Wed 9/9
Cloudy Weather
Day 93°
Night 75°
55
Thu 9/10
Cloudy Weather
Day 93°
Night 75°
10
Fri 9/11
Cloudy Weather
Day 97°
Night 73°
10
Sat 9/12
Cloudy Weather
Day 97°
Night 73°
7
Sun 9/13
Partly Sunny with Showers
Day 93°
Night 75°
70
Mon 9/14
Rainy Weather
Day 91°
Night 73°
60
Tue 9/15
Rainy Weather
Day 93°
Night 72°
60
Wed 9/16
Sunny Weather
Day 90°
Night 70°
5
Thu 9/17
Sunny Weather
Day 91°
Night 72°
5
Fri 9/18
Cloudy Weather
Day 91°
Night 72°
Sat 9/19
Cloudy Weather
Day 91°
Night 72°
Sun 9/20
Cloudy Weather
Day 90°
Night 72°
Mon 9/21
Cloudy Weather
Day 91°
Night 72°
Tue 9/22
Stormy Weather
Day 86°
Night 72°
Wed 9/23
Stormy Weather
Day 82°
Night 70°
Thu 9/24
Cloudy Weather
Day 82°
Night 70°
Fri 9/25
Cloudy Weather
Day 82°
Night 70°
Sat 9/26
Cloudy Weather
Day 84°
Night 70°
Sun 9/27
Cloudy Weather
Day 86°
Night 70°
Mon 9/28
Cloudy Weather
Day 88°
Night 70°
Tue 9/29
Cloudy Weather
Day 90°
Night 66°
Wed 9/30
Cloudy Weather
Day 88°
Night 66°

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