S
M
T
W
T
F
S
30
73°
48°
31
72°
48°
1
72°
49°
2
73°
49°
3
71°
50°
4
70°
49°
5
73°
48°
6
72°
49°
7
70°
47°
8
71°
46°
9
69°
47°
10
70°
51°
11
69°
46°
12
68°
45°
13
72°
44°
14
72°
51°
15
71°
51°
16
72°
49°
17
68°
44°
18
68°
43°
19
70°
45°
20
73°
49°
21
68°
43°
22
66°
46°
23
69°
48°
24
70°
49°
25
71°
47°
26
68°
40°
27
69°
40°
28
62°
41°
29
61°
41°
30
62°
40°
1
63°
40°
2
60°
37°
3
Hist. Avg.
63°
42°
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 60° to 73°, with overnight lows between 37° and 51°. The average high for September is 69° with an average low of 46°. 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.
