S
M
T
W
T
F
S
30
74°
49°
31
78°
46°
1
70°
50°
2
70°
53°
3
69°
52°
4
71°
50°
5
73°
47°
6
76°
48°
7
75°
58°
8
77°
47°
9
83°
46°
10
73°
51°
11
69°
48°
12
69°
48°
13
61°
55°
14
67°
53°
15
69°
50°
16
75°
45°
17
79°
44°
18
71°
47°
19
69°
42°
20
74°
45°
21
69°
46°
22
71°
49°
23
69°
45°
24
64°
46°
25
62°
48°
26
65°
38°
27
66°
38°
28
68°
36°
29
67°
56°
30
66°
42°
1
71°
47°
2
73°
51°
3
70°
49°
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 70° to 73°, with overnight lows between 47° and 51°. The average high for September is 71° with an average low of 49°. 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.
