S
M
T
W
T
F
S
30
74°
49°
31
78°
46°
1
70°
50°
2
70°
53°
3
67°
51°
4
70°
50°
5
73°
50°
6
75°
52°
7
72°
51°
8
71°
54°
9
78°
55°
10
74°
54°
11
70°
52°
12
70°
53°
13
72°
52°
14
76°
51°
15
72°
52°
16
71°
53°
17
65°
53°
18
65°
48°
19
65°
47°
20
68°
54°
21
65°
51°
22
64°
51°
23
64°
47°
24
63°
46°
25
63°
45°
26
66°
46°
27
71°
51°
28
72°
52°
29
72°
51°
30
71°
52°
1
70°
53°
2
71°
53°
3
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Spanaway
Spanaway's September 2026 forecast shows daily high temperatures ranging from 63° to 78°, with overnight lows between 45° and 55°. The average high for September is 70° with an average low of 51°. 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 Spanaway. See also: October | November | December.
