S
M
T
W
T
F
S
30
79°
54°
31
76°
55°
1
77°
52°
2
76°
55°
3
79°
59°
4
85°
58°
5
84°
59°
6
85°
58°
7
82°
56°
8
75°
58°
9
75°
51°
10
76°
53°
11
76°
56°
12
79°
55°
13
74°
56°
14
75°
58°
15
81°
57°
16
82°
47°
17
75°
45°
18
71°
44°
19
69°
46°
20
71°
46°
21
71°
51°
22
78°
56°
23
78°
54°
24
79°
45°
25
72°
42°
26
69°
43°
27
67°
43°
28
66°
41°
29
67°
42°
30
69°
52°
1
65°
49°
2
69°
45°
3
Hist. Avg.
70°
44°
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 65° to 85°, with overnight lows between 41° and 59°. The average high for September is 75° with an average low of 51°. 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.