S
M
T
W
T
F
S
30
78°
50°
31
77°
49°
1
78°
45°
2
76°
50°
3
76°
52°
4
77°
45°
5
73°
45°
6
74°
44°
7
75°
47°
8
74°
46°
9
76°
45°
10
75°
44°
11
72°
47°
12
72°
42°
13
72°
45°
14
74°
48°
15
Hist. Avg.
74°
43°
16
Hist. Avg.
74°
43°
17
Hist. Avg.
74°
42°
18
Hist. Avg.
73°
42°
19
Hist. Avg.
73°
42°
20
Hist. Avg.
72°
41°
21
Hist. Avg.
72°
41°
22
Hist. Avg.
71°
41°
23
Hist. Avg.
71°
40°
24
Hist. Avg.
70°
40°
25
Hist. Avg.
70°
40°
26
Hist. Avg.
69°
40°
27
Hist. Avg.
69°
39°
28
Hist. Avg.
68°
39°
29
Hist. Avg.
68°
38°
30
Hist. Avg.
67°
38°
1
Hist. Avg.
66°
38°
2
Hist. Avg.
66°
38°
3
Hist. Avg.
65°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rigby
Rigby's September 2026 forecast shows daily high temperatures ranging from 72° to 78°, with overnight lows between 42° and 52°. The average high for September is 75° 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 Rigby. See also: October | November | December.
