S
M
T
W
T
F
S
30
87°
69°
31
93°
71°
1
90°
65°
2
89°
66°
3
90°
74°
4
87°
68°
5
87°
67°
6
81°
69°
7
80°
67°
8
80°
62°
9
78°
58°
10
79°
62°
11
83°
60°
12
75°
57°
13
68°
56°
14
70°
53°
15
68°
55°
16
73°
58°
17
74°
57°
18
70°
55°
19
68°
53°
20
71°
52°
21
68°
55°
22
72°
58°
23
73°
58°
24
75°
57°
25
71°
56°
26
72°
57°
27
73°
58°
28
72°
57°
29
70°
56°
30
69°
54°
1
61°
48°
2
58°
43°
3
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Richfield
Richfield's September 2026 forecast shows daily high temperatures ranging from 58° to 83°, with overnight lows between 42° and 67°. The average high for September is 71° 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 Richfield. See also: October | November | December.
