S
M
T
W
T
F
S
30
99°
72°
31
99°
71°
1
98°
72°
2
98°
71°
3
92°
71°
4
95°
70°
5
95°
70°
6
96°
69°
7
96°
70°
8
95°
70°
9
97°
69°
10
96°
70°
11
95°
65°
12
94°
62°
13
93°
67°
14
95°
64°
15
96°
65°
16
95°
64°
17
94°
63°
18
94°
64°
19
93°
64°
20
93°
63°
21
92°
63°
22
92°
58°
23
89°
55°
24
85°
55°
25
85°
57°
26
90°
63°
27
93°
59°
28
89°
58°
29
91°
59°
30
92°
63°
1
92°
61°
2
91°
50°
3
84°
50°
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 84° to 99°, with overnight lows between 50° and 72°. The average high for September is 93° with an average low of 64°. 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.
