S
M
T
W
T
F
S
30
69°
48°
31
68°
49°
1
71°
50°
2
71°
53°
3
72°
53°
4
71°
48°
5
68°
47°
6
66°
50°
7
70°
51°
8
71°
48°
9
71°
52°
10
70°
52°
11
71°
53°
12
70°
49°
13
68°
46°
14
65°
49°
15
64°
50°
16
65°
51°
17
65°
51°
18
68°
50°
19
67°
51°
20
67°
51°
21
69°
48°
22
67°
46°
23
62°
44°
24
62°
45°
25
63°
47°
26
64°
47°
27
63°
46°
28
61°
50°
29
63°
49°
30
64°
48°
1
65°
49°
2
66°
47°
3
64°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Whittlesey
Whittlesey's September 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 44° and 53°. The average high for September is 67° with an average low of 49°. 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 Whittlesey. See also: October | November | December.
