The climate in Santa Maria during September can be summarized as hot, humid and reasonably dry.
September is in the fall / autumn in Santa Maria and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (85°F), whilst at night 24°C (76°F) is normal.
| Daytime temperature | 29.6°C 85.3°F |
|---|---|
| Nightly temperature | 24.2°C 75.6°F |
| Average temperature | 26.9°C 80.4°F |
| Daily sunshine | 2.9 hrs |
| Avg rainfall | 58 mm 2.3 ins |
| Rainy days | 3 days |
| Sea temperature | 26.9°C 80.5°F |
| Humidity | 77% |
| Windspeed | 18.4kph 11 mph |
On average September is the wettest month of the year in Santa Maria with around 58mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.9 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 Santa Maria in September 2025.
Best places to visit in September
| Hottest month: | September | 29.5°C 85.1°F |
|---|---|---|
| Driest month: | April | 0mm 0ins |
| Sunniest month: | October | 4.5hrs |
| Coldest month: | February | 24.5°C 76.1°F |
| Wettest month: | September | 58mm 2.3ins |