The climate in McMinnville during September can be summarized as warm, humid and damp.
September is in the fall / autumn in McMinnville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 27.3°C 81.1°F |
|---|---|
| Nightly temperature | 15°C 58.9°F |
| Average temperature | 21.1°C 70°F |
| Daily sunshine | 8 hrs |
| Avg rainfall | 101 mm 4 ins |
| Rainy days | 9 days |
| Sea temperature | 24.7°C 76.5°F |
| Humidity | 75% |
| Windspeed | 10.1kph 6 mph |
On average September is the 3rd driest month of the year in McMinnville with around 101mm 4 inches of rain making it a 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 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 McMinnville in September 2025.
Best places to visit in September
| Hottest month: | July | 30.5°C 86.9°F |
|---|---|---|
| Driest month: | October | 82mm 3.2ins |
| Sunniest month: | June | 9.8hrs |
| Coldest month: | January | 7.7°C 45.9°F |
| Wettest month: | March | 147mm 5.8ins |