S
M
T
W
T
F
S
30
83°
43°
31
78°
43°
1
78°
47°
2
75°
48°
3
73°
49°
4
81°
47°
5
81°
45°
6
69°
42°
7
69°
46°
8
73°
43°
9
70°
44°
10
71°
48°
11
72°
38°
12
68°
39°
13
68°
38°
14
66°
37°
15
67°
40°
16
70°
43°
17
76°
38°
18
76°
43°
19
73°
45°
20
76°
47°
21
75°
46°
22
75°
46°
23
76°
48°
24
77°
47°
25
75°
45°
26
72°
41°
27
68°
42°
28
65°
38°
29
68°
43°
30
62°
42°
1
59°
43°
2
70°
43°
3
58°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Four Corners
Four Corners's September 2026 forecast shows daily high temperatures ranging from 58° to 83°, with overnight lows between 33° and 49°. The average high for September is 72° with an average low of 43°. 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 Four Corners. See also: October | November | December.
