Rosso Weather in September
What's the weather like in Rosso (Trarza) in September 2025?
The climate in Rosso during September can be summarized as very hot, humid and reasonably dry.
September is in the fall / autumn in Rosso and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 35°C (95°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 34.9°C 94.7°F |
|---|---|
| Nightly temperature | 23.8°C 74.8°F |
| Average temperature | 29.3°C 84.7°F |
| Daily sunshine | 8.2 hrs |
| Avg rainfall | 76 mm 3 ins |
| Rainy days | 4 days |
| Sea temperature | 27.8°C 82.1°F |
| Humidity | 71% |
| Windspeed | 5.8kph 4 mph |
On average September is the 2nd wettest month of the year in Rosso with around 76mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.2 hours of sunshine per day.
September temperatures in Rosso
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 Rosso in September 2025.
Other monthly averages
Best places to visit in September
Rosso weather stats
| Hottest month: | June | 36.3°C 97.3°F |
|---|---|---|
| Driest month: | April | 0mm 0ins |
| Sunniest month: | April | 9.9hrs |
| Coldest month: | January | 29.6°C 85.3°F |
| Wettest month: | August | 87mm 3.4ins |
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