S
M
T
W
T
F
S
30
97°
75°
31
96°
74°
1
96°
74°
2
92°
73°
3
91°
73°
4
93°
72°
5
94°
72°
6
94°
71°
7
93°
73°
8
95°
73°
9
94°
72°
10
95°
73°
11
92°
67°
12
91°
69°
13
92°
69°
14
95°
66°
15
95°
69°
16
93°
68°
17
93°
68°
18
92°
67°
19
93°
67°
20
92°
68°
21
91°
68°
22
91°
61°
23
83°
59°
24
82°
58°
25
82°
60°
26
87°
67°
27
91°
64°
28
90°
62°
29
89°
65°
30
91°
66°
1
90°
57°
2
89°
53°
3
80°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Impact
Impact's September 2026 forecast shows daily high temperatures ranging from 80° to 97°, with overnight lows between 52° and 75°. The average high for September is 91° with an average low of 67°. 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 Impact. See also: October | November | December.
