Ilama Weather in September
What's the weather like in Ilama (Santa Bárbara) in September 2025?
The climate in Ilama during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Ilama and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 29.7°C 85.5°F |
|---|---|
| Nightly temperature | 20.1°C 68.2°F |
| Average temperature | 24.9°C 76.8°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 365 mm 14.4 ins |
| Rainy days | 20 days |
| Sea temperature | 29.6°C 85.3°F |
| Humidity | 86% |
| Windspeed | 18kph 11 mph |
On average September is the wettest month of the year in Ilama with around 365mm 14.4 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Ilama
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 Ilama in September 2025.
Other monthly averages
Best places to visit in September
Ilama weather stats
| Hottest month: | May | 31.4°C 88.5°F |
|---|---|---|
| Driest month: | March | 47mm 1.9ins |
| Sunniest month: | March | 8.6hrs |
| Coldest month: | January | 26.7°C 80.1°F |
| Wettest month: | September | 365mm 14.4ins |
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