S
M
T
W
T
F
S
30
73°
53°
31
80°
49°
1
76°
50°
2
74°
53°
3
72°
57°
4
78°
56°
5
79°
55°
6
79°
56°
7
70°
49°
8
69°
49°
9
70°
50°
10
73°
53°
11
77°
55°
12
77°
56°
13
69°
56°
14
69°
57°
15
68°
55°
16
68°
55°
17
69°
53°
18
67°
53°
19
66°
50°
20
67°
47°
21
68°
46°
22
66°
47°
23
66°
48°
24
70°
52°
25
72°
53°
26
73°
52°
27
Hist. Avg.
68°
49°
28
Hist. Avg.
68°
49°
29
Hist. Avg.
68°
48°
30
Hist. Avg.
67°
48°
1
Hist. Avg.
67°
48°
2
Hist. Avg.
66°
48°
3
Hist. Avg.
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bremerton
Bremerton's September 2026 forecast shows daily high temperatures ranging from 66° to 80°, with overnight lows between 46° and 57°. The average high for September is 72° with an average low of 52°. 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 Bremerton. See also: October | November | December.
