S
M
T
W
T
F
S
30
88°
58°
31
80°
58°
1
80°
64°
2
85°
59°
3
86°
65°
4
85°
66°
5
88°
59°
6
87°
56°
7
78°
55°
8
78°
55°
9
79°
61°
10
82°
61°
11
84°
55°
12
77°
55°
13
76°
54°
14
77°
61°
15
81°
53°
16
84°
52°
17
75°
51°
18
74°
51°
19
74°
52°
20
75°
51°
21
72°
50°
22
72°
50°
23
74°
51°
24
76°
55°
25
79°
57°
26
79°
57°
27
80°
50°
28
75°
56°
29
74°
56°
30
78°
51°
1
74°
53°
2
73°
51°
3
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in North Vernon
North Vernon's September 2026 forecast shows daily high temperatures ranging from 70° to 88°, with overnight lows between 48° and 66°. The average high for September is 79° with an average low of 55°. 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 North Vernon. See also: October | November | December.
