S
M
T
W
T
F
S
30
77°
50°
31
88°
55°
1
86°
64°
2
78°
60°
3
77°
46°
4
58°
46°
5
76°
48°
6
76°
53°
7
69°
47°
8
76°
49°
9
83°
51°
10
88°
55°
11
81°
56°
12
90°
58°
13
74°
54°
14
69°
49°
15
77°
49°
16
81°
49°
17
85°
60°
18
73°
57°
19
76°
53°
20
80°
56°
21
85°
57°
22
85°
58°
23
87°
56°
24
94°
59°
25
80°
43°
26
69°
49°
27
71°
48°
28
78°
44°
29
77°
45°
30
77°
48°
1
76°
49°
2
75°
50°
3
74°
49°
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 69° to 80°, with overnight lows between 43° and 50°. The average high for September is 75° with an average low of 47°. 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.
