S
M
T
W
T
F
S
30
72°
45°
31
81°
44°
1
87°
41°
2
90°
56°
3
85°
55°
4
96°
54°
5
87°
60°
6
84°
64°
7
78°
58°
8
71°
56°
9
78°
45°
10
88°
44°
11
67°
43°
12
64°
40°
13
76°
36°
14
66°
44°
15
68°
47°
16
66°
43°
17
77°
53°
18
76°
54°
19
68°
54°
20
72°
49°
21
77°
48°
22
79°
51°
23
78°
51°
24
78°
48°
25
74°
46°
26
73°
44°
27
76°
49°
28
60°
45°
29
61°
41°
30
66°
44°
1
61°
42°
2
70°
46°
3
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Circle
Circle's September 2026 forecast shows daily high temperatures ranging from 60° to 79°, with overnight lows between 41° and 54°. The average high for September is 70° 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 Circle. See also: October | November | December.
