S
M
T
W
T
F
S
30
74°
53°
31
76°
51°
1
78°
50°
2
74°
55°
3
N/A
4
78°
58°
5
69°
52°
6
71°
50°
7
76°
55°
8
71°
48°
9
68°
54°
10
71°
53°
11
68°
49°
12
70°
45°
13
68°
47°
14
73°
52°
15
73°
51°
16
74°
45°
17
72°
50°
18
67°
46°
19
72°
49°
20
72°
48°
21
70°
48°
22
71°
47°
23
69°
47°
24
67°
45°
25
66°
47°
26
69°
47°
27
68°
48°
28
65°
45°
29
61°
43°
30
63°
43°
1
59°
40°
2
59°
39°
3
58°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Farmington
Farmington's September 2026 forecast shows daily high temperatures ranging from 58° to 78°, with overnight lows between 39° and 58°. The average high for September is 69° with an average low of 48°. 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 Farmington. See also: October | November | December.
