Ribeira Grande Weather in September
What's the weather like in Ribeira Grande (Ribeira Grande) in September 2025?
The climate in Ribeira Grande during September can be summarized as hot, humid and reasonably dry.
September is in the fall / autumn in Ribeira Grande and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 26.2°C 79.1°F |
|---|---|
| Nightly temperature | 20°C 67.9°F |
| Average temperature | 23.1°C 73.5°F |
| Daily sunshine | 3.4 hrs |
| Avg rainfall | 36 mm 1.4 ins |
| Rainy days | 5 days |
| Sea temperature | 26.5°C 79.6°F |
| Humidity | 79% |
| Windspeed | 17.1kph 11 mph |
On average September is the wettest month of the year in Ribeira Grande with around 36mm 1.4 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 3.4 hours of sunshine per day.
September temperatures in Ribeira Grande
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 Ribeira Grande in September 2025.
Other monthly averages
Best places to visit in September
Ribeira Grande weather stats
| Hottest month: | September | 26°C 78.8°F |
|---|---|---|
| Driest month: | March | 1mm 0ins |
| Sunniest month: | October | 4.8hrs |
| Coldest month: | February | 21.1°C 70°F |
| Wettest month: | September | 36mm 1.4ins |
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