S
M
T
W
T
F
S
30
74°
60°
31
75°
58°
1
73°
54°
2
74°
55°
3
75°
56°
4
76°
59°
5
78°
52°
6
75°
59°
7
78°
60°
8
81°
59°
9
79°
54°
10
Hist. Avg.
73°
54°
11
Hist. Avg.
73°
53°
12
Hist. Avg.
72°
53°
13
Hist. Avg.
72°
52°
14
Hist. Avg.
72°
52°
15
Hist. Avg.
71°
52°
16
Hist. Avg.
71°
51°
17
Hist. Avg.
70°
51°
18
Hist. Avg.
70°
50°
19
Hist. Avg.
69°
50°
20
Hist. Avg.
69°
49°
21
Hist. Avg.
68°
49°
22
Hist. Avg.
68°
48°
23
Hist. Avg.
68°
48°
24
Hist. Avg.
67°
48°
25
Hist. Avg.
67°
47°
26
Hist. Avg.
66°
47°
27
Hist. Avg.
66°
46°
28
Hist. Avg.
65°
46°
29
Hist. Avg.
65°
45°
30
Hist. Avg.
64°
45°
1
Hist. Avg.
64°
45°
2
Hist. Avg.
63°
44°
3
Hist. Avg.
63°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Appleton
Appleton's September 2026 forecast shows daily high temperatures ranging from 73° to 81°, with overnight lows between 52° and 60°. The average high for September is 76° with an average low of 57°. 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 Appleton. See also: October | November | December.
