S
M
T
W
T
F
S
30
70°
48°
31
70°
48°
1
73°
52°
2
74°
56°
3
72°
59°
4
79°
58°
5
82°
55°
6
79°
48°
7
71°
46°
8
71°
46°
9
74°
45°
10
72°
49°
11
73°
48°
12
68°
46°
13
74°
53°
14
77°
53°
15
77°
51°
16
68°
52°
17
67°
51°
18
69°
50°
19
71°
44°
20
66°
47°
21
72°
42°
22
68°
40°
23
64°
40°
24
64°
41°
25
65°
45°
26
63°
40°
27
63°
40°
28
64°
42°
29
60°
38°
30
60°
38°
1
61°
41°
2
66°
37°
3
60°
38°
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 60° to 82°, with overnight lows between 37° and 59°. 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.
