S
M
T
W
T
F
S
30
79°
57°
31
78°
56°
1
78°
57°
2
79°
59°
3
77°
62°
4
78°
57°
5
80°
57°
6
79°
56°
7
78°
55°
8
77°
54°
9
77°
56°
10
76°
57°
11
77°
54°
12
76°
53°
13
76°
53°
14
77°
54°
15
78°
59°
16
81°
58°
17
78°
52°
18
74°
51°
19
74°
52°
20
75°
56°
21
74°
51°
22
73°
52°
23
77°
54°
24
78°
55°
25
79°
56°
26
78°
48°
27
77°
49°
28
71°
48°
29
71°
48°
30
70°
47°
1
Hist. Avg.
70°
53°
2
Hist. Avg.
69°
53°
3
Hist. Avg.
69°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Glenelg
Glenelg's September 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 47° and 62°. The average high for September is 77° with an average low of 54°. 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 Glenelg. See also: October | November | December.
