S
M
T
W
T
F
S
30
69°
49°
31
69°
55°
1
70°
51°
2
67°
51°
3
69°
50°
4
73°
55°
5
67°
48°
6
68°
48°
7
68°
49°
8
69°
48°
9
67°
50°
10
68°
49°
11
68°
52°
12
72°
52°
13
73°
51°
14
74°
50°
15
73°
56°
16
74°
58°
17
74°
54°
18
73°
48°
19
70°
46°
20
72°
55°
21
70°
46°
22
65°
50°
23
66°
52°
24
62°
53°
25
61°
49°
26
61°
50°
27
60°
46°
28
60°
46°
29
59°
52°
30
60°
54°
1
61°
52°
2
61°
44°
3
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Poulsbo
Poulsbo's September 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 43° and 58°. The average high for September is 67° with an average low of 50°. 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 Poulsbo. See also: October | November | December.
