S
M
T
W
T
F
S
30
71°
50°
31
75°
56°
1
67°
54°
2
68°
57°
3
67°
54°
4
69°
53°
5
71°
52°
6
73°
52°
7
71°
58°
8
74°
53°
9
80°
53°
10
69°
54°
11
67°
53°
12
64°
53°
13
61°
54°
14
67°
56°
15
67°
53°
16
72°
54°
17
76°
52°
18
67°
55°
19
63°
50°
20
69°
49°
21
65°
49°
22
69°
54°
23
66°
53°
24
61°
53°
25
61°
51°
26
63°
45°
27
64°
49°
28
65°
44°
29
63°
55°
30
63°
48°
1
67°
50°
2
72°
51°
3
65°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gig Harbor
Gig Harbor'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 Gig Harbor. See also: October | November | December.
