The climate in Newton during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Newton and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (80°F), whilst at night 13°C (56°F) is normal.
| Daytime temperature | 26.4°C 79.5°F |
|---|---|
| Nightly temperature | 13.4°C 56.1°F |
| Average temperature | 19.9°C 67.8°F |
| Daily sunshine | 8.8 hrs |
| Avg rainfall | 79 mm 3.1 ins |
| Rainy days | 8 days |
| Sea temperature | 21.6°C 70.9°F |
| Humidity | 73% |
| Windspeed | 12.6kph 8 mph |
On average September is the 4th driest month of the year in Newton with around 79mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 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 Newton in September 2025.
Best places to visit in September
| Hottest month: | July | 30.5°C 86.9°F |
|---|---|---|
| Driest month: | February | 63mm 2.5ins |
| Sunniest month: | July | 11hrs |
| Coldest month: | January | 1.9°C 35.4°F |
| Wettest month: | May | 109mm 4.3ins |