S
M
T
W
T
F
S
30
80°
56°
31
80°
56°
1
79°
49°
2
73°
46°
3
70°
55°
4
72°
55°
5
78°
44°
6
73°
42°
7
66°
44°
8
67°
50°
9
69°
52°
10
74°
53°
11
75°
52°
12
75°
44°
13
70°
41°
14
64°
38°
15
62°
42°
16
64°
41°
17
69°
46°
18
72°
38°
19
63°
38°
20
61°
48°
21
65°
49°
22
72°
42°
23
70°
47°
24
67°
49°
25
69°
47°
26
72°
40°
27
68°
38°
28
58°
39°
29
57°
43°
30
58°
41°
1
57°
42°
2
59°
46°
3
55°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Whitman
Whitman's September 2026 forecast shows daily high temperatures ranging from 55° to 80°, with overnight lows between 32° and 56°. The average high for September is 68° with an average low of 45°. 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 Whitman. See also: October | November | December.
