S
M
T
W
T
F
S
30
82°
56°
31
74°
57°
1
73°
55°
2
72°
57°
3
72°
59°
4
73°
60°
5
80°
53°
6
78°
57°
7
Hist. Avg.
75°
55°
8
Hist. Avg.
74°
54°
9
Hist. Avg.
74°
54°
10
Hist. Avg.
74°
54°
11
Hist. Avg.
73°
53°
12
Hist. Avg.
73°
53°
13
Hist. Avg.
73°
52°
14
Hist. Avg.
72°
52°
15
Hist. Avg.
72°
52°
16
Hist. Avg.
72°
51°
17
Hist. Avg.
71°
51°
18
Hist. Avg.
71°
50°
19
Hist. Avg.
70°
50°
20
Hist. Avg.
70°
49°
21
Hist. Avg.
69°
49°
22
Hist. Avg.
69°
48°
23
Hist. Avg.
68°
48°
24
Hist. Avg.
68°
48°
25
Hist. Avg.
68°
47°
26
Hist. Avg.
67°
47°
27
Hist. Avg.
67°
46°
28
Hist. Avg.
66°
46°
29
Hist. Avg.
66°
45°
30
Hist. Avg.
65°
45°
1
Hist. Avg.
65°
44°
2
Hist. Avg.
64°
44°
3
Hist. Avg.
64°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Excelsior
Excelsior's September 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 53° and 60°. The average high for September is 76° 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 Excelsior. See also: October | November | December.
