S
M
T
W
T
F
S
30
84°
55°
31
78°
52°
1
76°
53°
2
75°
54°
3
75°
53°
4
76°
53°
5
74°
52°
6
74°
52°
7
75°
53°
8
74°
58°
9
73°
52°
10
72°
51°
11
72°
52°
12
74°
51°
13
73°
52°
14
72°
53°
15
70°
55°
16
71°
48°
17
72°
49°
18
72°
49°
19
70°
55°
20
72°
56°
21
Hist. Avg.
74°
51°
22
Hist. Avg.
73°
51°
23
Hist. Avg.
73°
51°
24
Hist. Avg.
73°
50°
25
Hist. Avg.
72°
50°
26
Hist. Avg.
72°
49°
27
Hist. Avg.
71°
49°
28
Hist. Avg.
71°
49°
29
Hist. Avg.
70°
48°
30
Hist. Avg.
70°
48°
1
Hist. Avg.
70°
48°
2
Hist. Avg.
69°
47°
3
Hist. Avg.
69°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Richfield
Richfield's September 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 48° and 58°. The average high for September is 74° with an average low of 53°. 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.
