S
M
T
W
T
F
S
30
68°
57°
31
66°
52°
1
70°
50°
2
66°
57°
3
70°
63°
4
64°
55°
5
64°
54°
6
72°
54°
7
66°
59°
8
61°
54°
9
61°
48°
10
64°
46°
11
64°
54°
12
72°
52°
13
70°
61°
14
75°
63°
15
64°
55°
16
61°
55°
17
61°
52°
18
61°
54°
19
68°
57°
20
61°
50°
21
66°
52°
22
72°
52°
23
63°
46°
24
N/A
25
57°
45°
26
64°
49°
27
63°
44°
28
61°
49°
29
68°
58°
30
69°
52°
1
64°
53°
2
62°
51°
3
60°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Whitworth
Whitworth's September 2026 forecast shows daily high temperatures ranging from 57° to 69°, with overnight lows between 44° and 58°. The average high for September is 63° with an average low of 50°. 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.
