S
M
T
W
T
F
S
30
93°
70°
31
93°
70°
1
92°
69°
2
91°
71°
3
92°
70°
4
93°
69°
5
90°
69°
6
92°
66°
7
Hist. Avg.
92°
67°
8
Hist. Avg.
91°
67°
9
Hist. Avg.
91°
67°
10
Hist. Avg.
91°
66°
11
Hist. Avg.
90°
66°
12
Hist. Avg.
90°
66°
13
Hist. Avg.
90°
66°
14
Hist. Avg.
90°
65°
15
Hist. Avg.
90°
65°
16
Hist. Avg.
89°
65°
17
Hist. Avg.
89°
64°
18
Hist. Avg.
89°
64°
19
Hist. Avg.
88°
64°
20
Hist. Avg.
88°
63°
21
Hist. Avg.
88°
63°
22
Hist. Avg.
88°
63°
23
Hist. Avg.
88°
62°
24
Hist. Avg.
87°
62°
25
Hist. Avg.
87°
62°
26
Hist. Avg.
87°
61°
27
Hist. Avg.
87°
61°
28
Hist. Avg.
86°
60°
29
Hist. Avg.
86°
60°
30
Hist. Avg.
86°
60°
1
Hist. Avg.
86°
59°
2
Hist. Avg.
85°
59°
3
Hist. Avg.
85°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Robert Lee
Robert Lee's September 2026 forecast shows daily high temperatures ranging from 90° to 93°, with overnight lows between 66° and 71°. The average high for September is 92° 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 Robert Lee. See also: October | November | December.
