S
M
T
W
T
F
S
31
75°
45°
1
77°
46°
2
79°
48°
3
81°
50°
4
66°
46°
5
72°
46°
6
64°
46°
7
68°
39°
8
70°
37°
9
77°
41°
10
81°
46°
11
79°
48°
12
81°
48°
13
79°
54°
14
82°
50°
15
82°
50°
16
81°
48°
17
82°
46°
18
88°
52°
19
75°
57°
20
79°
54°
21
70°
52°
22
77°
63°
23
77°
57°
24
77°
61°
25
77°
55°
26
81°
50°
27
86°
55°
28
79°
48°
29
82°
45°
30
81°
45°
1
73°
46°
2
77°
39°
3
86°
43°
4
90°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Branch
North Branch's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.