S
M
T
W
T
F
S
30
82°
57°
31
83°
58°
1
83°
58°
2
82°
57°
3
82°
49°
4
75°
48°
5
74°
51°
6
77°
57°
7
81°
57°
8
81°
56°
9
76°
50°
10
75°
55°
11
80°
54°
12
79°
56°
13
80°
56°
14
80°
55°
15
79°
54°
16
78°
53°
17
73°
51°
18
78°
47°
19
70°
44°
20
70°
44°
21
67°
42°
22
68°
50°
23
70°
46°
24
69°
42°
25
67°
43°
26
68°
50°
27
72°
49°
28
74°
50°
29
73°
49°
30
72°
47°
1
66°
48°
2
71°
47°
3
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Meridian
Meridian's September 2026 forecast shows daily high temperatures ranging from 65° to 83°, with overnight lows between 42° and 58°. The average high for September is 75° 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 Meridian. See also: October | November | December.
