The climate in Hawthorne during September can be summarized as mild and very dry.
September is in the fall / autumn in Hawthorne and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 8°C (46°F) is normal.
Daytime temperature | 27.6°C 81.7°F |
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Nightly temperature | 8°C 46.4°F |
Average temperature | 17.8°C 64°F |
Daily sunshine | 11.8 hrs |
Avg rainfall | 10 mm 0.4 ins |
Rainy days | 3 days |
Sea temperature | 16.2°C 61.2°F |
Humidity | 40% |
Windspeed | 12.2kph 8 mph |
On average September is the 2nd driest month of the year in Hawthorne with around 10mm 0.4 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 11.8 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 Hawthorne in September 2025.
Best places to visit in September
Hottest month: | July | 33.5°C 92.3°F |
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Driest month: | August | 9mm 0.4ins |
Sunniest month: | July | 14hrs |
Coldest month: | January | 7.6°C 45.7°F |
Wettest month: | January | 25mm 1ins |