S
M
T
W
T
F
S
30
67°
48°
31
69°
55°
1
74°
57°
2
78°
52°
3
79°
56°
4
76°
48°
5
67°
49°
6
69°
54°
7
72°
54°
8
68°
50°
9
67°
53°
10
65°
54°
11
66°
53°
12
65°
51°
13
65°
52°
14
67°
54°
15
74°
55°
16
74°
47°
17
68°
47°
18
68°
48°
19
72°
50°
20
72°
55°
21
68°
48°
22
63°
48°
23
62°
49°
24
63°
45°
25
62°
45°
26
64°
44°
27
62°
53°
28
62°
53°
29
61°
49°
30
62°
50°
1
68°
53°
2
65°
51°
3
58°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tacoma
Tacoma's September 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 44° and 57°. The average high for September is 67° 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 Tacoma. See also: October | November | December.
