The climate in Momostenango during September can be summarized as mild and very wet.
September is in the fall / autumn in Momostenango and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 11°C (52°F) is normal.
Daytime temperature | 21.9°C 71.3°F |
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Nightly temperature | 11.4°C 52.4°F |
Average temperature | 16.6°C 61.9°F |
Daily sunshine | 6 hrs |
Avg rainfall | 218 mm 8.6 ins |
Rainy days | 24 days |
Sea temperature | 29.5°C 85.1°F |
Humidity | 85% |
Windspeed | 8.3kph 5 mph |
On average September is the 2nd wettest month of the year in Momostenango with around 218mm 8.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 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 Momostenango in September 2025.
Best places to visit in September
Hottest month: | May | 23.9°C 75°F |
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Driest month: | January | 7mm 0.3ins |
Sunniest month: | January | 8.8hrs |
Coldest month: | January | 19.7°C 67.5°F |
Wettest month: | June | 229mm 9ins |