S
M
T
W
T
F
S
30
96°
74°
31
95°
74°
1
91°
78°
2
94°
78°
3
88°
75°
4
90°
76°
5
92°
75°
6
94°
74°
7
95°
75°
8
93°
76°
9
92°
77°
10
94°
76°
11
94°
74°
12
93°
76°
13
92°
75°
14
91°
72°
15
89°
75°
16
92°
74°
17
92°
75°
18
91°
74°
19
91°
74°
20
90°
73°
21
87°
73°
22
84°
72°
23
84°
73°
24
85°
72°
25
87°
72°
26
88°
71°
27
90°
72°
28
91°
71°
29
90°
70°
30
90°
71°
1
89°
71°
2
87°
70°
3
88°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sugar Land
Sugar Land's September 2026 forecast shows daily high temperatures ranging from 84° to 95°, with overnight lows between 70° and 78°. The average high for September is 90° with an average low of 74°. 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 Sugar Land. See also: October | November | December.
