S
M
T
W
T
F
S
30
94°
66°
31
96°
69°
1
97°
71°
2
98°
71°
3
99°
71°
4
97°
69°
5
98°
70°
6
96°
70°
7
95°
69°
8
96°
68°
9
95°
70°
10
94°
68°
11
93°
66°
12
91°
64°
13
88°
66°
14
89°
65°
15
83°
58°
16
78°
62°
17
79°
61°
18
79°
62°
19
80°
62°
20
82°
61°
21
84°
62°
22
85°
61°
23
85°
60°
24
84°
61°
25
84°
61°
26
81°
56°
27
74°
53°
28
73°
49°
29
72°
48°
30
72°
48°
1
74°
51°
2
76°
54°
3
71°
53°
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 71° to 99°, with overnight lows between 48° and 71°. The average high for September is 85° with an average low of 62°. 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.
