Santo Amaro Weather in September
What's the weather like in Santo Amaro (Estado de Bahía) in September 2025?
The climate in Santo Amaro during September can be summarized as hot, humid and a little damp.
September is in the spring in Santo Amaro and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 27.7°C 81.9°F |
|---|---|
| Nightly temperature | 18.7°C 65.7°F |
| Average temperature | 23.2°C 73.8°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 88 mm 3.5 ins |
| Rainy days | 17 days |
| Sea temperature | 25.7°C 78.3°F |
| Humidity | 83% |
| Windspeed | 10.8kph 7 mph |
On average September is the 2nd driest month of the year in Santo Amaro with around 88mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 17 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 Santo Amaro
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 Santo Amaro in September 2025.
Other monthly averages
Best places to visit in September
Santo Amaro weather stats
| Hottest month: | January | 31°C 87.8°F |
|---|---|---|
| Driest month: | January | 79mm 3.1ins |
| Sunniest month: | March | 6.7hrs |
| Coldest month: | July | 25.9°C 78.6°F |
| Wettest month: | May | 282mm 11.1ins |
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