S
M
T
W
T
F
S
30
83°
63°
31
84°
63°
1
78°
56°
2
77°
56°
3
77°
58°
4
82°
61°
5
82°
59°
6
75°
51°
7
75°
51°
8
77°
53°
9
83°
56°
10
86°
62°
11
85°
61°
12
85°
60°
13
84°
61°
14
79°
57°
15
79°
53°
16
77°
56°
17
81°
57°
18
85°
62°
19
84°
59°
20
84°
53°
21
80°
58°
22
81°
60°
23
85°
58°
24
82°
57°
25
80°
59°
26
81°
60°
27
82°
58°
28
81°
55°
29
72°
53°
30
69°
55°
1
71°
51°
2
67°
47°
3
64°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kooskooskie
Kooskooskie's September 2026 forecast shows daily high temperatures ranging from 64° to 86°, with overnight lows between 47° and 63°. The average high for September is 79° with an average low of 57°. 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 Kooskooskie. See also: October | November | December.
