S
M
T
W
T
F
S
30
75°
58°
31
77°
53°
1
78°
51°
2
75°
50°
3
74°
53°
4
76°
60°
5
81°
56°
6
80°
50°
7
75°
51°
8
73°
50°
9
76°
57°
10
77°
54°
11
74°
56°
12
72°
56°
13
72°
50°
14
71°
48°
15
69°
46°
16
70°
50°
17
70°
54°
18
75°
55°
19
77°
56°
20
78°
54°
21
75°
46°
22
73°
52°
23
68°
45°
24
71°
44°
25
66°
43°
26
66°
44°
27
Hist. Avg.
68°
46°
28
Hist. Avg.
68°
46°
29
Hist. Avg.
67°
45°
30
Hist. Avg.
67°
45°
1
Hist. Avg.
66°
45°
2
Hist. Avg.
66°
44°
3
Hist. Avg.
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Corunna
Corunna's September 2026 forecast shows daily high temperatures ranging from 66° to 81°, with overnight lows between 43° and 60°. The average high for September is 74° 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 Corunna. See also: October | November | December.
