The climate in Tarrafal de São Nicolau during September can be summarized as hot, humid and reasonably dry.
September is in the fall / autumn in Tarrafal de São Nicolau and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 22°C (72°F) is normal.
| Daytime temperature | 27.7°C 81.9°F |
|---|---|
| Nightly temperature | 22.1°C 71.8°F |
| Average temperature | 24.9°C 76.8°F |
| Daily sunshine | 3.1 hrs |
| Avg rainfall | 45 mm 1.8 ins |
| Rainy days | 5 days |
| Sea temperature | 26.8°C 80.3°F |
| Humidity | 76% |
| Windspeed | 16.9kph 11 mph |
On average September is the wettest month of the year in Tarrafal de São Nicolau with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.1 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 Tarrafal de São Nicolau in September 2025.
Best places to visit in September
| Hottest month: | September | 27.6°C 81.7°F |
|---|---|---|
| Driest month: | June | 0mm 0ins |
| Sunniest month: | October | 4.6hrs |
| Coldest month: | February | 22.4°C 72.3°F |
| Wettest month: | September | 45mm 1.8ins |