S
M
T
W
T
F
S
30
84°
52°
31
86°
49°
1
80°
47°
2
81°
40°
3
75°
46°
4
74°
47°
5
78°
49°
6
83°
47°
7
82°
44°
8
70°
40°
9
71°
38°
10
70°
40°
11
71°
41°
12
73°
40°
13
71°
45°
14
75°
47°
15
72°
47°
16
79°
46°
17
74°
40°
18
68°
45°
19
68°
40°
20
72°
37°
21
76°
38°
22
71°
35°
23
67°
37°
24
72°
38°
25
76°
43°
26
67°
40°
27
67°
36°
28
63°
30°
29
63°
32°
30
Hist. Avg.
70°
40°
1
Hist. Avg.
69°
40°
2
Hist. Avg.
69°
40°
3
Hist. Avg.
68°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Palouse
Palouse's September 2026 forecast shows daily high temperatures ranging from 63° to 86°, with overnight lows between 30° and 52°. The average high for September is 74° with an average low of 42°. 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 Palouse. See also: October | November | December.
