S
M
T
W
T
F
S
30
74°
64°
31
73°
65°
1
85°
69°
2
87°
68°
3
83°
68°
4
79°
63°
5
76°
58°
6
74°
52°
7
75°
50°
8
80°
51°
9
85°
61°
10
81°
62°
11
74°
52°
12
79°
51°
13
85°
64°
14
68°
50°
15
75°
64°
16
75°
62°
17
76°
57°
18
73°
47°
19
68°
57°
20
65°
57°
21
65°
55°
22
64°
49°
23
66°
48°
24
70°
51°
25
65°
51°
26
66°
49°
27
69°
50°
28
67°
47°
29
68°
51°
30
66°
52°
1
69°
53°
2
72°
51°
3
67°
50°
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 64° to 76°, with overnight lows between 47° and 64°. The average high for September is 69° with an average low of 53°. 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.
