S
M
T
W
T
F
S
30
72°
54°
31
73°
53°
1
73°
52°
2
70°
52°
3
73°
53°
4
72°
52°
5
73°
55°
6
71°
54°
7
70°
51°
8
71°
54°
9
72°
49°
10
69°
48°
11
72°
49°
12
74°
54°
13
71°
51°
14
68°
53°
15
74°
56°
16
76°
56°
17
75°
55°
18
75°
46°
19
72°
45°
20
67°
45°
21
64°
49°
22
66°
52°
23
71°
51°
24
66°
50°
25
66°
43°
26
67°
41°
27
63°
42°
28
62°
43°
29
61°
42°
30
60°
45°
1
62°
47°
2
Hist. Avg.
65°
45°
3
Hist. Avg.
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ripon
Ripon's September 2026 forecast shows daily high temperatures ranging from 60° to 76°, with overnight lows between 41° and 56°. The average high for September is 69° with an average low of 50°. 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 Ripon. See also: October | November | December.
