S
M
T
W
T
F
S
30
79°
62°
31
82°
62°
1
82°
59°
2
81°
55°
3
80°
60°
4
78°
60°
5
78°
59°
6
74°
59°
7
74°
58°
8
75°
52°
9
74°
51°
10
72°
59°
11
74°
58°
12
78°
59°
13
78°
59°
14
79°
57°
15
78°
58°
16
79°
58°
17
Hist. Avg.
75°
54°
18
Hist. Avg.
75°
53°
19
Hist. Avg.
74°
53°
20
Hist. Avg.
74°
52°
21
Hist. Avg.
74°
52°
22
Hist. Avg.
73°
52°
23
Hist. Avg.
73°
51°
24
Hist. Avg.
72°
51°
25
Hist. Avg.
72°
50°
26
Hist. Avg.
72°
50°
27
Hist. Avg.
71°
50°
28
Hist. Avg.
71°
49°
29
Hist. Avg.
70°
49°
30
Hist. Avg.
70°
49°
1
Hist. Avg.
70°
48°
2
Hist. Avg.
69°
48°
3
Hist. Avg.
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Nappanee
Nappanee's September 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 51° and 62°. The average high for September is 78° with an average low of 58°. 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 Nappanee. See also: October | November | December.
