S
M
T
W
T
F
S
30
82°
63°
31
80°
68°
1
89°
67°
2
73°
67°
3
89°
71°
4
88°
69°
5
83°
63°
6
80°
55°
7
82°
56°
8
83°
61°
9
87°
70°
10
86°
65°
11
80°
56°
12
80°
61°
13
85°
62°
14
84°
63°
15
83°
62°
16
79°
58°
17
78°
58°
18
78°
59°
19
77°
58°
20
76°
54°
21
78°
58°
22
71°
58°
23
71°
57°
24
72°
57°
25
73°
56°
26
76°
55°
27
72°
52°
28
73°
55°
29
76°
56°
30
77°
56°
1
76°
55°
2
76°
56°
3
75°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Whittingham
Whittingham's September 2026 forecast shows daily high temperatures ranging from 71° to 87°, with overnight lows between 52° and 70°. The average high for September is 78° with an average low of 58°. 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 Whittingham. See also: October | November | December.