Dover Weather in September

In Dover, September brings high daytime temperatures around 25°C (77°F), with nights cooling to 12°C (54°F). Expect quite a bit of rainfall this month.

Rainfall in Dover in September

Historically, approximately 11 days this month are expected to have rain, averaging 76 mm (3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Dover in September

Weather in Dover is at its perfect in September. Highs reach 25°C (77°F), while nights settle around 12°C (54°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Dover.

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• January
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• May
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• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Dover's climate page.

Dover Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 37%  

Precipitation 76 mm (3 in)  

Rainy days 11 days  

Humidity 74% *  

* Data from: Akron, the United States of America (62 KM, 38 Miles).

What to Wear in Dover in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Dover in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Dover's climate page.

More climate data for Dover

Temperature Rainfall Humidity

See the full Dover climate overview or explore weather in the United States of America.