S
M
T
W
T
F
S
30
84°
65°
31
90°
67°
1
91°
71°
2
85°
66°
3
81°
68°
4
83°
68°
5
76°
62°
6
78°
56°
7
79°
55°
8
76°
57°
9
83°
64°
10
75°
56°
11
78°
56°
12
78°
58°
13
67°
49°
14
70°
47°
15
76°
58°
16
70°
57°
17
67°
54°
18
64°
51°
19
63°
58°
20
65°
53°
21
63°
53°
22
63°
53°
23
66°
52°
24
69°
51°
25
70°
52°
26
68°
45°
27
69°
42°
28
73°
53°
29
74°
49°
30
69°
61°
1
66°
55°
2
63°
37°
3
64°
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 63° to 64°, with overnight lows between 37° and 50°. The average high for September is 64° with an average low of 44°. 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.
