The climate in Collins during September can be summarized as hot, humid and a little damp.
September is in the fall / autumn in Collins and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 31°C (88°F), whilst at night 18°C (65°F) is normal.
| Daytime temperature | 31.1°C 88°F |
|---|---|
| Nightly temperature | 18.1°C 64.6°F |
| Average temperature | 24.6°C 76.3°F |
| Daily sunshine | 7.9 hrs |
| Avg rainfall | 96 mm 3.8 ins |
| Rainy days | 9 days |
| Sea temperature | 27.9°C 82.3°F |
| Humidity | 77% |
| Windspeed | 10.8kph 7 mph |
On average September is the 2nd driest month of the year in Collins with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.9 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 Collins in September 2025.
Best places to visit in September
| Hottest month: | July | 33.6°C 92.5°F |
|---|---|---|
| Driest month: | October | 82mm 3.2ins |
| Sunniest month: | October | 8hrs |
| Coldest month: | January | 14.1°C 57.4°F |
| Wettest month: | March | 159mm 6.3ins |