The climate in Clear Lake during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Clear Lake and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 8°C (46°F) is normal.
Daytime temperature | 22°C 71.6°F |
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Nightly temperature | 7.8°C 46°F |
Average temperature | 14.9°C 58.8°F |
Daily sunshine | 8.7 hrs |
Avg rainfall | 56 mm 2.2 ins |
Rainy days | 8 days |
Sea temperature | 16.5°C 61.8°F |
Humidity | 70% |
Windspeed | 18.4kph 11 mph |
On average September is the 5th wettest month of the year in Clear Lake with around 56mm 2.2 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 8.7 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 Clear Lake in September 2024.
Best places to visit in September
Hottest month: | July | 28.8°C 83.8°F |
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Driest month: | January | 12mm 0.5ins |
Sunniest month: | July | 12.1hrs |
Coldest month: | January | -6.4°C 20.5°F |
Wettest month: | June | 97mm 3.8ins |