The climate in Marshall during September can be summarized as warm and damp.
September is in the fall / autumn in Marshall and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (79°F), whilst at night 13°C (56°F) is normal.
Daytime temperature | 26.3°C 79.3°F |
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Nightly temperature | 13.1°C 55.6°F |
Average temperature | 19.7°C 67.5°F |
Daily sunshine | 8.4 hrs |
Avg rainfall | 108 mm 4.2 ins |
Rainy days | 9 days |
Sea temperature | 20.3°C 68.5°F |
Humidity | 72% |
Windspeed | 15.1kph 9 mph |
On average September is the 3rd wettest month of the year in Marshall with around 108mm 4.2 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 8.4 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 Marshall in September 2025.
Best places to visit in September
Hottest month: | July | 31.7°C 89.1°F |
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Driest month: | January | 35mm 1.4ins |
Sunniest month: | July | 11.1hrs |
Coldest month: | January | 2.3°C 36.1°F |
Wettest month: | May | 113mm 4.4ins |