S
M
T
W
T
F
S
30
84°
65°
31
90°
67°
1
89°
67°
2
87°
67°
3
80°
67°
4
83°
65°
5
81°
64°
6
79°
60°
7
74°
58°
8
71°
57°
9
75°
56°
10
74°
59°
11
72°
52°
12
71°
54°
13
69°
54°
14
73°
51°
15
76°
57°
16
76°
56°
17
75°
56°
18
74°
55°
19
76°
56°
20
75°
55°
21
75°
56°
22
76°
56°
23
76°
55°
24
75°
55°
25
74°
54°
26
75°
54°
27
74°
53°
28
74°
53°
29
73°
52°
30
71°
52°
1
72°
51°
2
72°
52°
3
71°
50°
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 69° to 89°, with overnight lows between 50° and 67°. The average high for September is 75° with an average low of 56°. 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.
