World Resorts USA Annapolis Weather

Annapolis weather in September

Weather in Annapolis: September

Average day temperature: 75.9°F
Average night temperature: 66.6°F
Sea water temperature: 76.2°F
Number of sunny days: 14 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 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
14
28
42
56
70
84
98
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 82°F. At the same time the lowest night temperature was 58°F. Daily and nightly averages during September were 74.5°F and 66.7°F.

Sea water temperature in Annapolis in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
64
68
72
76
80
84
88

The average sea water temperature in September of 2024 was 74.8°F. The highest and lowest sea temperatures during the month were 78.8°F and 72.1°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
47%
27%
27%

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.7
1.0
1.4
1.7
2.1
2.4
1.3
1.4
2.0
2.0
1.3
1.2
1.4
1.3
1.2
1.2
1.3
1.4
1.2
2.0
2.0
1.3
1.2
1.4
1.3
1.2
1.2

Precipitation total value in Annapolis in September is 1.2 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
1.7
3.4
5.0
6.7
8.4
10.1
11.8
8.8
9.0
8.0
7.0
6.4
8.0
8.4
9.4
9.8
9.4
9.7
8.8
9.0
8.0
7.9
7.0
6.4
8.0
8.4
9.4
9.8
9.4
9.7

The average wind speed value in September is 7.9 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
1.6
3.2
4.9
6.5
8.1
9.7
11.3
13.0
5.1
6.9
7.2
8.4
8.8
9.4
7.7
7.0
7.0
5.7
5.4
5.1
6.9
7.2
7.7
8.4
8.8
9.4
7.7
7.0
7.0
5.7
5.4

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: 7.7.

Best time for vacation in Annapolis

Sunniest months:
October 16 days
November 16 days
September 14 days
Warmest months:
July 85.1 °F
August 82.8 °F
June 79.1 °F
Warmest sea temp:
July 81.6 °F
August 81.3 °F
September 76.2 °F
Coldest months:
January 40.0 °F
February 42.9 °F
December 44.7 °F
Rainiest months:
August 4 days
July 4 days
April 3 days
Windiest months:
March 9.8 mph
January 9.7 mph
April 9.4 mph

Annapolis on a weather map

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24 Hours Forecast
Annapolis
Local time: 09:43
April 25, friday
1200
61°F
N
9 mph
1500
63°F
N
11 mph
1800
64°F
NW
12 mph
2100
63°F
N
11 mph
April 26, saturday
0000
61°F
N
9 mph
0300
61°F
NE
11 mph
0600
63°F
NE
11 mph
0900
64°F
NE
10 mph
Units of measurement: °C / °F