S
M
T
W
T
F
S
30
101°
67°
31
94°
66°
1
94°
65°
2
98°
65°
3
99°
66°
4
100°
67°
5
98°
65°
6
95°
66°
7
95°
64°
8
96°
66°
9
96°
67°
10
94°
65°
11
100°
63°
12
102°
67°
13
97°
66°
14
96°
65°
15
93°
64°
16
86°
62°
17
85°
60°
18
80°
59°
19
81°
58°
20
81°
55°
21
83°
57°
22
81°
55°
23
81°
56°
24
80°
52°
25
83°
58°
26
77°
57°
27
76°
57°
28
79°
56°
29
81°
55°
30
81°
55°
1
82°
54°
2
82°
55°
3
81°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Farwell
Farwell's September 2026 forecast shows daily high temperatures ranging from 76° to 102°, with overnight lows between 52° and 67°. The average high for September is 85° with an average low of 58°. 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 Farwell. See also: October | November | December.