Measurements:
°C
°F
Dover
52°F
N 22 mph
Feels like: 44°F
Precip: 0%
World Resorts USA Dover Weather September Weather in Dover

Dover Weather: September

Average Day Temperature: 78.6°F
Average Night Temperature: 66.2°F
Number of Sunny Days: 14 days
Sunshine Hours: 11.8 - 13.0 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.1 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 92°F. The lowest night temperature was 59°F. The average values for day and night temperatures during September were 79.7°F и 65.9°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Dover is 1.1 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 8.4 mph. It makes September one of the most windless months of the year for Dover.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Dover in September is 7.7 hours.

Best Time to Visit Dover
The most sunny months:
November 17 days
October 16 days
September 14 days
The most warm months:
July 88.3 °F
August 84.9 °F
June 82.2 °F
The most cold months:
January 38.7 °F
February 42.3 °F
December 44.1 °F
The most rainy months:
August 4 days
July 4 days
March 3 days
The most windy months:
March 11 mph
January 10 mph
April 10 mph

Dover on the Weather Map

USA Resorts:
NAME
Chicago +42
Hawaii +76
Honolulu +76
Houston +82
Las Vegas +96
Los Angeles +100
Maui +70
Miami +84
Miami Beach +82
New York +42
San Diego +94
San Francisco +72
Sarasota +80
Tampa +80
Washington +56
24 Hours Weather Forecast
Dover
Local time: 17:02
13 mar, friday
1800 52°F
N
22 mph
2100 44°F
NE
23 mph
14 mar, saturday
0000 44°F
NE
21 mph
0300 42°F
NE
16 mph
0600 40°F
E
15 mph
0900 42°F
E
20 mph
1200 48°F
E
22 mph
1500 54°F
E
21 mph