S
M
T
W
T
F
S
30
76°
49°
31
76°
55°
1
78°
56°
2
81°
57°
3
84°
51°
4
84°
55°
5
81°
48°
6
75°
50°
7
81°
55°
8
75°
47°
9
72°
50°
10
75°
56°
11
72°
52°
12
73°
55°
13
73°
54°
14
72°
48°
15
70°
46°
16
71°
46°
17
Hist. Avg.
76°
50°
18
Hist. Avg.
75°
49°
19
Hist. Avg.
75°
49°
20
Hist. Avg.
75°
49°
21
Hist. Avg.
74°
49°
22
Hist. Avg.
74°
49°
23
Hist. Avg.
74°
49°
24
Hist. Avg.
74°
48°
25
Hist. Avg.
73°
48°
26
Hist. Avg.
73°
48°
27
Hist. Avg.
72°
48°
28
Hist. Avg.
72°
48°
29
Hist. Avg.
72°
48°
30
Hist. Avg.
71°
47°
1
Hist. Avg.
71°
47°
2
Hist. Avg.
70°
47°
3
Hist. Avg.
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in West Kelso
West Kelso's September 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 46° and 57°. The average high for September is 76° with an average low of 52°. 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 West Kelso. See also: October | November | December.
