S
M
T
W
T
F
S
30
82°
55°
31
78°
61°
1
68°
61°
2
75°
59°
3
81°
62°
4
83°
61°
5
76°
56°
6
71°
53°
7
79°
49°
8
79°
51°
9
79°
59°
10
85°
61°
11
77°
53°
12
75°
48°
13
73°
61°
14
73°
49°
15
72°
44°
16
72°
58°
17
78°
64°
18
76°
47°
19
68°
53°
20
63°
54°
21
67°
54°
22
65°
53°
23
67°
54°
24
69°
53°
25
68°
54°
26
67°
53°
27
66°
52°
28
68°
49°
29
71°
51°
30
64°
49°
1
63°
50°
2
64°
52°
3
70°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Mansfield City
Mansfield City's September 2026 forecast shows daily high temperatures ranging from 63° to 78°, with overnight lows between 47° and 64°. The average high for September is 68° 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 Mansfield City. See also: October | November | December.