S
M
T
W
T
F
S
30
93°
67°
31
N/A
1
99°
71°
2
99°
71°
3
99°
72°
4
97°
72°
5
96°
71°
6
88°
67°
7
86°
67°
8
88°
69°
9
86°
66°
10
84°
59°
11
81°
59°
12
86°
64°
13
86°
64°
14
80°
63°
15
81°
62°
16
82°
63°
17
83°
62°
18
84°
62°
19
83°
63°
20
84°
63°
21
83°
62°
22
83°
62°
23
82°
61°
24
83°
61°
25
82°
60°
26
83°
59°
27
82°
60°
28
82°
60°
29
81°
59°
30
81°
59°
1
80°
58°
2
80°
58°
3
79°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Farmersville
Farmersville's September 2026 forecast shows daily high temperatures ranging from 79° to 99°, with overnight lows between 57° and 72°. The average high for September is 85° with an average low of 63°. 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 Farmersville. See also: October | November | December.
