Santa María del Río Weather in September
What's the weather like in Santa María del Río (San Luis Potosí) in September 2025?
The climate in Santa María del Río during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Santa María del Río and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 12°C (54°F) is normal.
| Daytime temperature | 26.8°C 80.2°F |
|---|---|
| Nightly temperature | 12°C 53.6°F |
| Average temperature | 19.4°C 66.9°F |
| Daily sunshine | 6.6 hrs |
| Avg rainfall | 68 mm 2.7 ins |
| Rainy days | 6 days |
| Sea temperature | 29.5°C 85°F |
| Humidity | 67% |
| Windspeed | 10.8kph 7 mph |
On average September is the 3rd wettest month of the year in Santa María del Río with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.6 hours of sunshine per day.
September temperatures in Santa María del Río
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Santa María del Río in September 2025.
Other monthly averages
Best places to visit in September
Santa María del Río weather stats
| Hottest month: | May | 30.8°C 87.4°F |
|---|---|---|
| Driest month: | February | 7mm 0.3ins |
| Sunniest month: | February | 8.5hrs |
| Coldest month: | January | 22.8°C 73°F |
| Wettest month: | June | 72mm 2.8ins |
© Google
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