S
M
T
W
T
F
S
30
100°
75°
31
100°
75°
1
100°
75°
2
99°
76°
3
91°
76°
4
98°
75°
5
99°
75°
6
99°
75°
7
100°
75°
8
100°
78°
9
99°
79°
10
99°
77°
11
98°
79°
12
100°
76°
13
99°
75°
14
97°
74°
15
96°
71°
16
92°
70°
17
90°
69°
18
90°
70°
19
89°
66°
20
86°
66°
21
85°
64°
22
90°
70°
23
89°
69°
24
88°
68°
25
81°
68°
26
85°
67°
27
85°
67°
28
87°
66°
29
86°
67°
30
84°
59°
1
76°
55°
2
75°
56°
3
75°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lucas
Lucas's September 2026 forecast shows daily high temperatures ranging from 75° to 100°, with overnight lows between 55° and 79°. The average high for September is 89° with an average low of 69°. 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 Lucas. See also: October | November | December.
