S
M
T
W
T
F
S
30
100°
74°
31
100°
73°
1
100°
74°
2
97°
73°
3
92°
74°
4
97°
72°
5
98°
74°
6
100°
74°
7
98°
76°
8
98°
76°
9
99°
75°
10
97°
75°
11
97°
76°
12
98°
73°
13
98°
74°
14
94°
73°
15
89°
70°
16
94°
72°
17
91°
71°
18
93°
71°
19
86°
64°
20
90°
70°
21
91°
70°
22
91°
70°
23
90°
69°
24
90°
69°
25
88°
68°
26
88°
68°
27
87°
67°
28
88°
68°
29
86°
68°
30
85°
65°
1
80°
58°
2
76°
56°
3
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Quitman
Quitman's September 2026 forecast shows daily high temperatures ranging from 76° to 100°, with overnight lows between 55° and 76°. The average high for September is 91° with an average low of 69°. 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 Quitman. See also: October | November | December.