The climate in Uspantán during September can be summarized as warm and very wet.
September is in the fall / autumn in Uspantán and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 13°C (56°F) is normal.
Daytime temperature | 23°C 73.3°F |
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Nightly temperature | 13.1°C 55.5°F |
Average temperature | 18°C 64.4°F |
Daily sunshine | 5.7 hrs |
Avg rainfall | 309 mm 12.2 ins |
Rainy days | 23 days |
Sea temperature | 29.5°C 85°F |
Humidity | 85% |
Windspeed | 9.4kph 6 mph |
On average September is the 3rd wettest month of the year in Uspantán with around 309mm 12.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 23 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.7 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 Uspantán in September 2025.
Best places to visit in September
Hottest month: | May | 25.2°C 77.4°F |
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Driest month: | April | 76mm 3ins |
Sunniest month: | March | 8.4hrs |
Coldest month: | January | 21.3°C 70.3°F |
Wettest month: | June | 347mm 13.7ins |