S
M
T
W
T
F
S
30
79°
52°
31
72°
49°
1
77°
52°
2
80°
54°
3
81°
56°
4
80°
57°
5
82°
56°
6
80°
56°
7
78°
54°
8
77°
55°
9
78°
54°
10
77°
53°
11
78°
43°
12
79°
48°
13
79°
47°
14
79°
48°
15
79°
47°
16
78°
47°
17
78°
46°
18
77°
47°
19
77°
46°
20
76°
45°
21
76°
45°
22
77°
44°
23
76°
45°
24
76°
45°
25
74°
44°
26
70°
43°
27
65°
44°
28
67°
43°
29
65°
42°
30
64°
42°
1
64°
41°
2
65°
40°
3
65°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hesperus
Hesperus's September 2026 forecast shows daily high temperatures ranging from 64° to 82°, with overnight lows between 39° and 57°. The average high for September is 75° with an average low of 48°. 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 Hesperus. See also: October | November | December.