S
M
T
W
T
F
S
30
94°
71°
31
96°
71°
1
98°
73°
2
99°
73°
3
99°
74°
4
99°
74°
5
100°
74°
6
99°
72°
7
95°
74°
8
94°
73°
9
95°
72°
10
94°
73°
11
90°
72°
12
94°
73°
13
95°
72°
14
91°
68°
15
89°
67°
16
92°
71°
17
94°
69°
18
89°
66°
19
91°
67°
20
85°
68°
21
91°
68°
22
89°
67°
23
89°
67°
24
88°
68°
25
89°
67°
26
89°
67°
27
88°
66°
28
87°
67°
29
87°
66°
30
86°
66°
1
87°
61°
2
84°
58°
3
76°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tupelo
Tupelo's September 2026 forecast shows daily high temperatures ranging from 76° to 99°, with overnight lows between 54° and 74°. The average high for September is 90° with an average low of 68°. 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 Tupelo. See also: October | November | December.
