S
M
T
W
T
F
S
30
82°
54°
31
82°
51°
1
83°
52°
2
84°
51°
3
82°
49°
4
80°
50°
5
79°
49°
6
79°
50°
7
81°
50°
8
83°
51°
9
80°
49°
10
79°
48°
11
79°
49°
12
80°
50°
13
81°
52°
14
84°
53°
15
84°
54°
16
83°
55°
17
85°
53°
18
85°
53°
19
82°
52°
20
83°
51°
21
82°
50°
22
81°
47°
23
76°
49°
24
79°
48°
25
82°
50°
26
76°
48°
27
Hist. Avg.
77°
47°
28
Hist. Avg.
77°
47°
29
Hist. Avg.
77°
46°
30
Hist. Avg.
76°
46°
1
Hist. Avg.
76°
46°
2
Hist. Avg.
76°
45°
3
Hist. Avg.
75°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Mountain Center
Mountain Center's September 2026 forecast shows daily high temperatures ranging from 76° to 85°, with overnight lows between 47° and 55°. The average high for September is 81° with an average low of 51°. 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 Mountain Center. See also: October | November | December.
