S
M
T
W
T
F
S
30
71°
53°
31
72°
51°
1
77°
61°
2
74°
62°
3
78°
62°
4
71°
60°
5
67°
52°
6
67°
52°
7
75°
56°
8
70°
55°
9
70°
65°
10
73°
50°
11
65°
51°
12
75°
60°
13
75°
56°
14
67°
52°
15
68°
54°
16
68°
52°
17
63°
53°
18
65°
52°
19
63°
50°
20
61°
36°
21
63°
49°
22
63°
49°
23
69°
48°
24
70°
48°
25
71°
49°
26
70°
45°
27
63°
42°
28
68°
46°
29
71°
48°
30
71°
48°
1
72°
47°
2
70°
47°
3
68°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dunham
Dunham's September 2026 forecast shows daily high temperatures ranging from 61° to 75°, with overnight lows between 36° and 65°. The average high for September is 68° 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 Dunham. See also: October | November | December.
