S
M
T
W
T
F
S
30
83°
54°
31
88°
46°
1
79°
47°
2
82°
46°
3
79°
53°
4
80°
52°
5
86°
53°
6
87°
52°
7
76°
45°
8
75°
44°
9
76°
45°
10
77°
48°
11
80°
51°
12
81°
51°
13
74°
50°
14
78°
52°
15
75°
50°
16
75°
50°
17
76°
47°
18
74°
50°
19
73°
45°
20
77°
41°
21
78°
40°
22
74°
42°
23
72°
43°
24
76°
46°
25
79°
47°
26
80°
48°
27
Hist. Avg.
77°
46°
28
Hist. Avg.
77°
45°
29
Hist. Avg.
76°
45°
30
Hist. Avg.
76°
45°
1
Hist. Avg.
75°
44°
2
Hist. Avg.
75°
44°
3
Hist. Avg.
74°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Klickitat
Klickitat's September 2026 forecast shows daily high temperatures ranging from 72° to 88°, with overnight lows between 40° and 54°. The average high for September is 78° with an average low of 48°. 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 Klickitat. See also: October | November | December.
