S
M
T
W
T
F
S
30
86°
68°
31
91°
69°
1
89°
69°
2
84°
68°
3
87°
66°
4
85°
66°
5
78°
59°
6
76°
57°
7
78°
64°
8
80°
64°
9
81°
63°
10
76°
61°
11
76°
62°
12
78°
62°
13
80°
61°
14
82°
62°
15
82°
62°
16
81°
61°
17
79°
62°
18
82°
62°
19
76°
61°
20
79°
62°
21
80°
62°
22
79°
61°
23
80°
60°
24
77°
59°
25
70°
56°
26
71°
58°
27
77°
58°
28
77°
57°
29
76°
58°
30
77°
58°
1
78°
57°
2
77°
58°
3
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sheffield
Sheffield's September 2026 forecast shows daily high temperatures ranging from 70° to 91°, with overnight lows between 56° and 69°. The average high for September is 79° with an average low of 61°. 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 Sheffield. See also: October | November | December.
