Sayaxché Weather in September
What's the weather like in Sayaxché (Petén) in September 2025?
The climate in Sayaxché during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Sayaxché and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 22°C (71°F) is normal.
| Daytime temperature | 31.7°C 89.1°F |
|---|---|
| Nightly temperature | 21.5°C 70.7°F |
| Average temperature | 26.6°C 79.9°F |
| Daily sunshine | 6.4 hrs |
| Avg rainfall | 308 mm 12.1 ins |
| Rainy days | 19 days |
| Sea temperature | 29.4°C 85°F |
| Humidity | 77% |
| Windspeed | 10.4kph 7 mph |
On average September is the wettest month of the year in Sayaxché with around 308mm 12.1 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
September temperatures in Sayaxché
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 Sayaxché in September 2025.
Other monthly averages
Best places to visit in September
Sayaxché weather stats
| Hottest month: | May | 33.1°C 91.6°F |
|---|---|---|
| Driest month: | March | 52mm 2ins |
| Sunniest month: | March | 8.4hrs |
| Coldest month: | January | 27.8°C 82°F |
| Wettest month: | September | 308mm 12.1ins |
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