S
M
T
W
T
F
S
30
72°
47°
31
70°
46°
1
70°
49°
2
71°
49°
3
71°
51°
4
72°
50°
5
72°
48°
6
71°
47°
7
70°
46°
8
69°
44°
9
69°
51°
10
70°
45°
11
67°
45°
12
71°
44°
13
72°
51°
14
74°
46°
15
72°
50°
16
74°
50°
17
74°
51°
18
75°
50°
19
74°
49°
20
74°
46°
21
67°
49°
22
66°
44°
23
67°
47°
24
66°
46°
25
63°
42°
26
69°
39°
27
68°
40°
28
59°
39°
29
58°
41°
30
60°
40°
1
60°
42°
2
Hist. Avg.
63°
44°
3
Hist. Avg.
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bolton
Bolton's September 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 39° 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 Bolton. See also: October | November | December.
