S
M
T
W
T
F
S
30
72°
50°
31
67°
48°
1
67°
48°
2
68°
57°
3
69°
51°
4
71°
47°
5
65°
50°
6
67°
56°
7
71°
57°
8
75°
56°
9
75°
54°
10
72°
53°
11
66°
55°
12
65°
53°
13
74°
52°
14
63°
48°
15
62°
47°
16
Hist. Avg.
67°
47°
17
Hist. Avg.
67°
47°
18
Hist. Avg.
67°
47°
19
Hist. Avg.
66°
47°
20
Hist. Avg.
66°
46°
21
Hist. Avg.
66°
46°
22
Hist. Avg.
65°
46°
23
Hist. Avg.
65°
46°
24
Hist. Avg.
65°
45°
25
Hist. Avg.
64°
45°
26
Hist. Avg.
64°
45°
27
Hist. Avg.
64°
44°
28
Hist. Avg.
63°
44°
29
Hist. Avg.
63°
44°
30
Hist. Avg.
62°
44°
1
Hist. Avg.
62°
43°
2
Hist. Avg.
62°
43°
3
Hist. Avg.
61°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Mar
Mar's September 2026 forecast shows daily high temperatures ranging from 62° to 75°, with overnight lows between 47° and 57°. The average high for September is 69° with an average low of 52°. 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 Mar. See also: October | November | December.
