S
M
T
W
T
F
S
30
90°
62°
31
93°
65°
1
95°
72°
2
95°
73°
3
96°
72°
4
96°
72°
5
101°
73°
6
96°
71°
7
89°
65°
8
95°
60°
9
94°
71°
10
81°
67°
11
82°
67°
12
89°
68°
13
88°
68°
14
88°
71°
15
88°
67°
16
83°
65°
17
80°
59°
18
81°
60°
19
72°
53°
20
72°
54°
21
71°
53°
22
80°
59°
23
80°
59°
24
83°
60°
25
83°
59°
26
82°
58°
27
82°
58°
28
81°
57°
29
82°
59°
30
81°
57°
1
80°
54°
2
78°
57°
3
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Farmington
Farmington's September 2026 forecast shows daily high temperatures ranging from 71° to 94°, with overnight lows between 53° and 71°. The average high for September is 82° with an average low of 61°. 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.
