The climate in San Luis Potosí during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in San Luis Potosí and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (78°F), whilst at night 12°C (54°F) is normal.
Daytime temperature | 25.4°C 77.7°F |
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Nightly temperature | 12.2°C 54°F |
Average temperature | 18.8°C 65.8°F |
Daily sunshine | 6.6 hrs |
Avg rainfall | 65 mm 2.6 ins |
Rainy days | 6 days |
Sea temperature | 29.5°C 85°F |
Humidity | 66% |
Windspeed | 11.9kph 7 mph |
On average September is the wettest month of the year in San Luis Potosí with around 65mm 2.6 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.
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 San Luis Potosí in September 2024.
Best places to visit in September
Hottest month: | May | 29.6°C 85.3°F |
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Driest month: | February | 6mm 0.2ins |
Sunniest month: | February | 8.4hrs |
Coldest month: | January | 21.5°C 70.7°F |
Wettest month: | September | 65mm 2.6ins |