Weather in San Antonio in September

General weather information about San Antonio

Average annual temperature is 16.1 °C

Absolute maximum temperature: 32.3 °C

Absolute minimum temperature: 1.6 °C

Number of sunny days: 157 days

Number of rainy days: 208 days

Look at detailed online map of San Antonio

* Weather data for San Antonio Mexico is based on climate observations for 2026 year

San Antonio air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)24.928.029.129.929.832.326.827.127.926.427.921.8
Average daytime temperature (°C)21.123.125.526.525.729.024.223.625.922.521.317.5
Average temperature (°C)12.913.817.018.118.220.717.216.817.715.713.711.1
Average night temperature (°C)6.67.510.412.012.214.512.112.312.111.58.77.1
Absolute minimum temperature (°C)3.31.63.99.610.111.39.19.710.56.45.12.0

San Antonio monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.013.013.013.013.012.011.011.010.0
Daylight mean duration (h)11.111.512.012.613.113.313.212.812.311.711.210.9
Daylight minimum duration (h)10.011.011.012.012.013.013.012.011.011.011.010.0
Sunshine mean duration (h)10.010.110.711.111.412.211.510.511.18.98.77.1
Precipitation (mm)2340359228908635662435
Sunny days251918107192216101712
Rainy days6913202411292914211319
Snow days000000000000

Best time to visit San Antonio:

The largest precipitation sum in San Antonio is at

  • May — 92(mm)
  • July — 90(mm)
  • August — 86(mm)
  • October — 66(mm)