S
M
T
W
T
F
S
30
75°
63°
31
78°
64°
1
80°
64°
2
80°
63°
3
79°
60°
4
74°
60°
5
73°
63°
6
79°
60°
7
73°
58°
8
78°
61°
9
79°
63°
10
79°
62°
11
80°
54°
12
75°
61°
13
72°
59°
14
75°
62°
15
74°
62°
16
76°
61°
17
77°
61°
18
77°
60°
19
75°
61°
20
76°
52°
21
75°
50°
22
67°
58°
23
67°
57°
24
69°
58°
25
72°
59°
26
74°
51°
27
75°
49°
28
65°
48°
29
64°
53°
30
64°
48°
1
62°
48°
2
63°
53°
3
63°
55°
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 62° to 80°, with overnight lows between 48° and 64°. The average high for September is 73° 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 Deep River. See also: October | November | December.
