S
M
T
W
T
F
S
30
83°
54°
31
86°
53°
1
85°
54°
2
86°
54°
3
87°
53°
4
86°
53°
5
84°
52°
6
81°
53°
7
85°
53°
8
85°
52°
9
84°
51°
10
84°
52°
11
74°
49°
12
82°
51°
13
84°
49°
14
85°
48°
15
83°
48°
16
81°
47°
17
80°
47°
18
81°
46°
19
81°
46°
20
80°
48°
21
81°
48°
22
81°
47°
23
80°
47°
24
79°
45°
25
77°
41°
26
69°
39°
27
69°
36°
28
72°
36°
29
73°
41°
30
75°
41°
1
74°
35°
2
71°
35°
3
71°
37°
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 69° to 87°, with overnight lows between 35° and 54°. The average high for September is 80° with an average low of 47°. 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.
