The climate in Frederick during September can be summarized as warm and a little damp.
September is in the fall / autumn in Frederick and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (78°F), whilst at night 13°C (55°F) is normal.
Daytime temperature | 25.7°C 78.2°F |
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Nightly temperature | 12.8°C 55°F |
Average temperature | 19.2°C 66.6°F |
Daily sunshine | 7.9 hrs |
Avg rainfall | 90 mm 3.6 ins |
Rainy days | 9 days |
Sea temperature | 21.4°C 70.6°F |
Humidity | 74% |
Windspeed | 11.9kph 7 mph |
On average September is the 4th wettest month of the year in Frederick with around 90mm 3.6 inches of rain making it a a little 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 7.9 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 Frederick in September 2024.
Best places to visit in September
Hottest month: | July | 30.2°C 86.4°F |
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Driest month: | February | 69mm 2.7ins |
Sunniest month: | July | 9.9hrs |
Coldest month: | January | 3.7°C 38.7°F |
Wettest month: | May | 103mm 4.1ins |