S
M
T
W
T
F
S
30
82°
66°
31
92°
69°
1
91°
68°
2
87°
64°
3
86°
69°
4
87°
70°
5
76°
62°
6
81°
58°
7
81°
55°
8
77°
63°
9
84°
62°
10
77°
51°
11
82°
51°
12
78°
57°
13
68°
44°
14
69°
38°
15
75°
53°
16
72°
47°
17
72°
55°
18
64°
55°
19
62°
57°
20
62°
49°
21
65°
48°
22
64°
43°
23
65°
46°
24
66°
48°
25
67°
44°
26
66°
52°
27
69°
53°
28
72°
54°
29
66°
52°
30
69°
51°
1
71°
51°
2
64°
43°
3
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bancroft
Bancroft's September 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 43° and 54°. The average high for September is 67° with an average low of 49°. 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 Bancroft. See also: October | November | December.