San José El Ídolo Weather in September
What's the weather like in San José El Ídolo (Suchitepéquez) in September 2025?
The climate in San José El Ídolo during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in San José El Ídolo and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 21°C (70°F) is normal.
| Daytime temperature | 31.2°C 88.2°F |
|---|---|
| Nightly temperature | 21.2°C 70.2°F |
| Average temperature | 26.2°C 79.2°F |
| Daily sunshine | 7.1 hrs |
| Avg rainfall | 518 mm 20.4 ins |
| Rainy days | 21 days |
| Sea temperature | 29.5°C 85.1°F |
| Humidity | 78% |
| Windspeed | 7.9kph 5 mph |
On average September is the 2nd wettest month of the year in San José El Ídolo with around 518mm 20.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
September temperatures in San José El Ídolo
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 San José El Ídolo in September 2025.
Other monthly averages
Best places to visit in September
San José El Ídolo weather stats
| Hottest month: | May | 33.1°C 91.6°F |
|---|---|---|
| Driest month: | January | 6mm 0.2ins |
| Sunniest month: | February | 9.2hrs |
| Coldest month: | January | 32.3°C 90.1°F |
| Wettest month: | October | 521mm 20.5ins |
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