S
M
T
W
T
F
S
30
92°
68°
31
91°
68°
1
87°
61°
2
85°
61°
3
87°
60°
4
85°
61°
5
86°
62°
6
78°
57°
7
82°
61°
8
84°
63°
9
86°
63°
10
86°
62°
11
85°
63°
12
85°
62°
13
79°
58°
14
78°
60°
15
84°
61°
16
85°
62°
17
85°
61°
18
84°
58°
19
76°
55°
20
78°
59°
21
80°
58°
22
82°
59°
23
82°
55°
24
72°
50°
25
72°
55°
26
73°
52°
27
73°
51°
28
75°
54°
29
79°
56°
30
75°
56°
1
80°
50°
2
69°
47°
3
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Centralia
Centralia's September 2026 forecast shows daily high temperatures ranging from 69° to 92°, with overnight lows between 47° and 68°. The average high for September is 81° with an average low of 58°. 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 Centralia. See also: October | November | December.
