Hot
Average highs reach 32°C, so days can feel very hot.
September verdict
San Antonio, Texas, United States in September
Weather score73Very good
Very good for holiday weather
Average highs reach 32°C, so days can feel very hot. Sunshine averages 7.7h per day, enough for a balanced month. Rainfall averages 90mm, so some wet days are possible.
September weather
Monthly averages
Temp
32°C
Rain
90mm
Sun
7.7h
Weather score
73
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 90mm, so some wet days are possible.
Some sun
Sunshine averages 7.7h per day, enough for a balanced month.
Map
Weather map
Compare San Antonio, Texas, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September32°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September90mm average rain
September is one of San Antonio's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April, July to August, and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.7 hours average sun
September sits close to San Antonio's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September73 weather score
September is one of San Antonio's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril to October
These months have the strongest weather score in the monthly averages.
Hotels in San Antonio, Texas, United States
Marriott
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