S
M
T
W
T
F
S
30
77°
58°
31
75°
60°
1
65°
58°
2
71°
58°
3
78°
59°
4
78°
63°
5
70°
58°
6
68°
54°
7
75°
53°
8
75°
58°
9
75°
58°
10
81°
60°
11
72°
56°
12
73°
56°
13
68°
61°
14
68°
54°
15
68°
50°
16
75°
51°
17
74°
66°
18
74°
50°
19
63°
49°
20
58°
51°
21
63°
46°
22
57°
47°
23
57°
49°
24
58°
49°
25
62°
52°
26
65°
49°
27
65°
50°
28
66°
52°
29
67°
53°
30
69°
51°
1
68°
42°
2
68°
52°
3
61°
52°
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 57° to 74°, with overnight lows between 42° and 53°. The average high for September is 64° with an average low of 50°. 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.
