S
M
T
W
T
F
S
30
72°
60°
31
73°
57°
1
77°
65°
2
76°
65°
3
80°
60°
4
77°
59°
5
75°
57°
6
72°
53°
7
77°
51°
8
74°
56°
9
73°
64°
10
76°
52°
11
67°
46°
12
75°
49°
13
80°
58°
14
69°
50°
15
69°
47°
16
71°
62°
17
72°
54°
18
69°
49°
19
63°
46°
20
67°
46°
21
61°
48°
22
63°
46°
23
N/A
24
68°
42°
25
73°
47°
26
72°
49°
27
67°
51°
28
65°
48°
29
65°
53°
30
69°
57°
1
70°
54°
2
71°
52°
3
66°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Deseronto
Deseronto's September 2026 forecast shows daily high temperatures ranging from 65° to 73°, with overnight lows between 42° and 57°. The average high for September is 69° 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 Deseronto. See also: October | November | December.
