S
M
T
W
T
F
S
30
75°
55°
31
72°
55°
1
73°
64°
2
75°
59°
3
76°
54°
4
70°
55°
5
71°
55°
6
73°
53°
7
74°
49°
8
73°
59°
9
68°
61°
10
68°
46°
11
69°
40°
12
77°
47°
13
75°
52°
14
64°
43°
15
61°
41°
16
73°
51°
17
71°
44°
18
64°
45°
19
61°
35°
20
67°
44°
21
57°
38°
22
61°
33°
23
66°
35°
24
67°
32°
25
71°
38°
26
74°
45°
27
70°
44°
28
68°
45°
29
72°
46°
30
67°
54°
1
70°
48°
2
69°
45°
3
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Deep River
Deep River's September 2026 forecast shows daily high temperatures ranging from 65° to 74°, with overnight lows between 32° and 54°. The average high for September is 69° with an average low of 44°. 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 Deep River. See also: October | November | December.
