S
M
T
W
T
F
S
30
74°
61°
31
79°
62°
1
79°
62°
2
78°
61°
3
79°
55°
4
78°
52°
5
71°
54°
6
71°
59°
7
73°
59°
8
77°
60°
9
75°
59°
10
76°
58°
11
75°
57°
12
75°
57°
13
74°
58°
14
74°
59°
15
75°
58°
16
75°
53°
17
74°
57°
18
71°
55°
19
73°
53°
20
69°
49°
21
65°
46°
22
65°
53°
23
66°
51°
24
70°
47°
25
64°
45°
26
63°
45°
27
64°
51°
28
69°
52°
29
68°
48°
30
68°
48°
1
60°
50°
2
61°
43°
3
60°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Leicester
Leicester's September 2026 forecast shows daily high temperatures ranging from 60° to 79°, with overnight lows between 43° and 62°. The average high for September is 71° with an average low of 54°. 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 Leicester. See also: October | November | December.
