S
M
T
W
T
F
S
30
100°
75°
31
100°
75°
1
99°
75°
2
96°
74°
3
89°
74°
4
96°
74°
5
97°
74°
6
99°
76°
7
98°
76°
8
100°
75°
9
99°
76°
10
98°
73°
11
93°
71°
12
92°
69°
13
91°
71°
14
88°
66°
15
91°
70°
16
90°
69°
17
91°
70°
18
91°
70°
19
90°
68°
20
90°
70°
21
89°
69°
22
87°
69°
23
88°
68°
24
89°
68°
25
88°
67°
26
88°
66°
27
89°
67°
28
89°
66°
29
88°
65°
30
88°
66°
1
87°
66°
2
87°
65°
3
86°
66°
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 86° to 100°, with overnight lows between 65° and 76°. The average high for September is 92° with an average low of 70°. 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.
