S
M
T
W
T
F
S
30
68°
56°
31
68°
56°
1
65°
54°
2
62°
51°
3
61°
51°
4
62°
52°
5
62°
51°
6
65°
56°
7
66°
53°
8
66°
50°
9
67°
56°
10
67°
55°
11
65°
53°
12
61°
52°
13
63°
53°
14
60°
49°
15
60°
48°
16
61°
48°
17
60°
51°
18
60°
50°
19
61°
49°
20
59°
48°
21
59°
49°
22
60°
54°
23
62°
53°
24
63°
48°
25
62°
47°
26
60°
48°
27
59°
51°
28
58°
52°
29
59°
51°
30
57°
47°
1
57°
46°
2
58°
45°
3
57°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Whitworth
Whitworth's September 2026 forecast shows daily high temperatures ranging from 57° to 68°, with overnight lows between 45° and 56°. The average high for September is 62° with an average low of 51°. 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 Whitworth. See also: October | November | December.
