S
M
T
W
T
F
S
30
79°
56°
31
78°
55°
1
79°
55°
2
81°
56°
3
82°
56°
4
81°
55°
5
81°
55°
6
80°
54°
7
80°
55°
8
76°
53°
9
78°
54°
10
76°
53°
11
77°
50°
12
75°
51°
13
78°
51°
14
79°
52°
15
77°
49°
16
69°
48°
17
74°
50°
18
76°
51°
19
77°
52°
20
77°
52°
21
76°
50°
22
73°
52°
23
76°
51°
24
71°
48°
25
65°
43°
26
60°
42°
27
65°
45°
28
68°
46°
29
69°
45°
30
69°
38°
1
62°
37°
2
55°
41°
3
64°
44°
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 55° to 82°, with overnight lows between 37° and 56°. The average high for September is 74° 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.
