World Resorts USA Dover Weather

Dover weather in September

Weather in Dover: September

Average day temperature: 66.6°F
Average night temperature: 53.3°F
Number of sunny days: 10 days
Day length: 11.8 - 13.2 hours
Number of rainy days: 3 days
Precipitation totals: 1.3 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
12
24
36
48
60
72
84
96
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 74°F. At the same time the lowest night temperature was 44°F. Daily and nightly averages during September were 65.6°F and 54.1°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
33%
33%
33%

Number of sunny, partly cloudy and cloudy days in September is almost equal.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.8
1.2
1.6
2.0
2.4
2.8
1.6
1.0
1.3
2.3
2.3
1.5
1.3
2.1
1.4
1.1
1.3
1.6
1.0
1.3
1.3
2.3
2.3
1.5
1.3
2.1
1.4
1.1
1.3

Precipitation total value in Dover in September is 1.3 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.7
4.0
5.3
6.6
8.0
9.3
6.5
7.1
5.3
4.8
5.1
5.5
6.1
7.2
7.7
7.3
7.1
6.5
7.1
5.3
4.8
4.8
5.1
5.5
6.1
7.2
7.7
7.3
7.1

The average wind speed value in September is 4.8 mph It makes September one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.6
3.9
5.1
6.4
7.7
9.0
3.6
5.2
5.5
6.7
7.4
7.3
7.5
5.1
5.1
4.4
3.6
3.6
5.2
5.5
6.5
6.7
7.4
7.3
7.5
5.1
5.1
4.4
3.6

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.5.

Best time for vacation in Dover

Sunniest months:
November 10 days
September 10 days
October 10 days
Warmest months:
July 75.5 °F
August 73.3 °F
June 70.4 °F
Coldest months:
January 26.4 °F
February 27.8 °F
December 32.8 °F
Rainiest months:
July 6 days
August 5 days
April 4 days
Windiest months:
March 7.7 mph
February 7.3 mph
April 7.2 mph

Dover on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+46°F
+61°F
+75°F
+75°F
+57°F
+59°F
+77°F
+55°F
+73°F
+54°F
+55°F
+77°F
+79°F
+73°F
+41°F
24 Hours Forecast
Dover
Local time: 00:00
April 05, saturday
0000
41°F
S
2 mph
0300
37°F
NW
2 mph
0600
36°F
W
3 mph
0900
36°F
NW
4 mph
1200
34°F
NW
9 mph
1500
34°F
NW
9 mph
1800
34°F
NW
7 mph
2100
34°F
NW
4 mph
Units of measurement: °C / °F