S
M
T
W
T
F
S
30
72°
66°
31
71°
66°
1
81°
68°
2
82°
67°
3
85°
66°
4
78°
62°
5
77°
61°
6
72°
59°
7
78°
57°
8
78°
59°
9
75°
69°
10
79°
58°
11
73°
52°
12
78°
55°
13
82°
57°
14
69°
53°
15
73°
57°
16
78°
61°
17
77°
59°
18
71°
53°
19
64°
52°
20
70°
55°
21
60°
49°
22
62°
45°
23
66°
50°
24
66°
49°
25
71°
45°
26
75°
51°
27
76°
54°
28
71°
60°
29
71°
61°
30
75°
56°
1
75°
55°
2
65°
45°
3
63°
47°
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 63° to 75°, with overnight lows between 45° and 55°. The average high for September is 68° 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.
