S
M
T
W
T
F
S
30
68°
56°
31
78°
56°
1
75°
50°
2
75°
55°
3
70°
50°
4
70°
48°
5
75°
56°
6
77°
54°
7
65°
51°
8
76°
57°
9
76°
48°
10
74°
51°
11
72°
45°
12
81°
54°
13
67°
53°
14
64°
57°
15
71°
55°
16
79°
55°
17
79°
55°
18
77°
46°
19
74°
44°
20
77°
44°
21
74°
43°
22
N/A
23
60°
48°
24
65°
51°
25
62°
49°
26
62°
41°
27
66°
45°
28
64°
48°
29
63°
47°
30
64°
49°
1
64°
48°
2
62°
49°
3
62°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Harrison Hot Springs
Harrison Hot Springs's September 2026 forecast shows daily high temperatures ranging from 60° to 66°, with overnight lows between 41° and 51°. The average high for September is 63° 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 Harrison Hot Springs. See also: October | November | December.
