S
M
T
W
T
F
S
30
80°
64°
31
79°
63°
1
79°
63°
2
80°
62°
3
81°
63°
4
83°
63°
5
78°
56°
6
78°
56°
7
83°
59°
8
82°
56°
9
83°
55°
10
81°
60°
11
76°
53°
12
78°
55°
13
82°
60°
14
82°
53°
15
76°
53°
16
73°
52°
17
74°
51°
18
76°
53°
19
80°
52°
20
78°
52°
21
80°
57°
22
80°
58°
23
79°
55°
24
78°
53°
25
79°
53°
26
78°
57°
27
78°
56°
28
74°
55°
29
78°
55°
30
77°
54°
1
76°
55°
2
77°
54°
3
77°
51°
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 73° to 83°, with overnight lows between 51° and 64°. The average high for September is 79° with an average low of 56°. 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.
