S
M
T
W
T
F
S
30
75°
51°
31
75°
50°
1
76°
53°
2
76°
58°
3
77°
59°
4
83°
59°
5
84°
58°
6
83°
50°
7
81°
49°
8
75°
49°
9
76°
48°
10
74°
51°
11
74°
53°
12
72°
48°
13
77°
52°
14
79°
54°
15
79°
53°
16
73°
52°
17
72°
53°
18
75°
52°
19
77°
45°
20
73°
47°
21
75°
45°
22
76°
43°
23
70°
43°
24
69°
44°
25
69°
46°
26
68°
42°
27
68°
42°
28
69°
44°
29
66°
40°
30
67°
40°
1
66°
46°
2
72°
40°
3
70°
44°
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 66° to 84°, with overnight lows between 40° and 59°. The average high for September is 74° 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 Bolton. See also: October | November | December.
