S
M
T
W
T
F
S
30
72°
52°
31
73°
50°
1
72°
51°
2
73°
50°
3
74°
51°
4
75°
50°
5
73°
49°
6
74°
50°
7
72°
48°
8
73°
47°
9
71°
51°
10
70°
47°
11
70°
46°
12
71°
46°
13
74°
53°
14
72°
47°
15
75°
48°
16
76°
53°
17
76°
55°
18
77°
53°
19
77°
44°
20
72°
44°
21
66°
51°
22
67°
48°
23
69°
52°
24
72°
51°
25
71°
42°
26
72°
40°
27
66°
41°
28
61°
42°
29
62°
42°
30
61°
40°
1
Hist. Avg.
65°
44°
2
Hist. Avg.
65°
44°
3
Hist. Avg.
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Branch
North Branch's September 2026 forecast shows daily high temperatures ranging from 61° to 77°, with overnight lows between 40° and 55°. The average high for September is 71° with an average low of 48°. 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 North Branch. See also: October | November | December.
