S
M
T
W
T
F
S
30
73°
59°
31
72°
54°
1
72°
50°
2
68°
57°
3
77°
64°
4
68°
54°
5
72°
48°
6
82°
55°
7
73°
59°
8
66°
54°
9
70°
50°
10
68°
48°
11
72°
54°
12
73°
48°
13
70°
64°
14
77°
64°
15
73°
54°
16
66°
50°
17
68°
54°
18
64°
46°
19
70°
61°
20
70°
48°
21
77°
45°
22
75°
54°
23
N/A
24
N/A
25
N/A
26
N/A
27
N/A
28
N/A
29
77°
52°
30
73°
59°
1
68°
50°
2
70°
50°
3
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Gloucester
Gloucester's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Gloucester. See also: October | November | December.
