S
M
T
W
T
F
S
30
91°
66°
31
90°
65°
1
84°
65°
2
84°
62°
3
82°
58°
4
81°
59°
5
82°
63°
6
87°
64°
7
88°
63°
8
86°
62°
9
86°
63°
10
88°
59°
11
81°
55°
12
79°
55°
13
79°
56°
14
81°
61°
15
84°
62°
16
83°
61°
17
83°
60°
18
81°
54°
19
77°
51°
20
76°
52°
21
75°
53°
22
77°
58°
23
79°
58°
24
82°
59°
25
83°
52°
26
82°
50°
27
77°
52°
28
73°
49°
29
72°
48°
30
74°
55°
1
74°
48°
2
73°
48°
3
Hist. Avg.
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Henderson
Henderson's September 2026 forecast shows daily high temperatures ranging from 72° to 91°, with overnight lows between 48° and 66°. The average high for September is 81° with an average low of 57°. 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 Henderson. See also: October | November | December.
