The climate in C.A. Rosetti during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in C.A. Rosetti and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 21.4°C 70.4°F |
|---|---|
| Nightly temperature | 14.9°C 58.7°F |
| Average temperature | 18.1°C 64.6°F |
| Daily sunshine | 8 hrs |
| Avg rainfall | 35 mm 1.4 ins |
| Rainy days | 7 days |
| Sea temperature | 21.2°C 70.2°F |
| Humidity | 77% |
| Windspeed | 18kph 11 mph |
On average September is the 2nd wettest month of the year in C.A. Rosetti with around 35mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 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 C.A. Rosetti in September 2025.
Best places to visit in September
| Hottest month: | July | 25.3°C 77.5°F |
|---|---|---|
| Driest month: | March | 18mm 0.7ins |
| Sunniest month: | August | 10.1hrs |
| Coldest month: | January | 2.4°C 36.3°F |
| Wettest month: | June | 36mm 1.4ins |