Measurements:
°C
°F
Annapolis
74°F
W 5 mph
Feels like: 74°F
Precip: 2%
World Resorts USA Annapolis Weather

7 Day Weather Forecast

09.15
tue
DAY
74°F
W 5 mph
precip
2%
NIGHT
70°F
N 11 mph
precip
5%
09.16
wed
DAY
78°F
N 8 mph
precip
6%
NIGHT
72°F
N 8 mph
precip
5%
09.17
thu
DAY
84°F
N 9 mph
precip
7%
NIGHT
76°F
NE 7 mph
precip
14%
09.18
fri
DAY
84°F
SW 11 mph
precip
13%
NIGHT
74°F
SW 12 mph
precip
6%
09.19
sat
DAY
80°F
NW 4 mph
precip
5%
NIGHT
74°F
N 15 mph
precip
24%
09.20
sun
DAY
84°F
NE 7 mph
precip
12%
NIGHT
78°F
SW 5 mph
precip
19%
09.21
mon
DAY
72°F
W 11 mph
precip
26%
NIGHT
72°F
W 11 mph
precip
28%

Annapolis Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Annapolis was 27.0°F. The maximum and minimum values were 26.5°F and 27.7°F respectively.

Annapolis on the Weather Map

Best Time to Visit Annapolis
The most sunny months:
October 17 days
November 17 days
June 15 days
The most warm months:
July 89.3 °F
August 86.2 °F
June 83.1 °F
Warmest sea temperature:
July 85.4 °F
August 84.6 °F
September 78.8 °F
The most cold months:
January 38.3 °F
February 41.0 °F
December 43.4 °F
The most rainy months:
August 4 days
July 3 days
October 3 days
The most windy months:
March 9 mph
January 9 mph
April 9 mph