S
M
T
W
T
F
S
30
95°
87°
31
91°
83°
1
84°
79°
2
97°
79°
3
95°
81°
4
95°
81°
5
91°
79°
6
85°
74°
7
85°
74°
8
84°
74°
9
84°
73°
10
83°
73°
11
84°
72°
12
83°
71°
13
83°
76°
14
84°
75°
15
84°
74°
16
87°
73°
17
89°
74°
18
88°
73°
19
88°
74°
20
86°
73°
21
87°
74°
22
87°
74°
23
88°
73°
24
89°
74°
25
87°
74°
26
88°
73°
27
89°
74°
28
89°
74°
29
90°
73°
30
91°
74°
1
91°
74°
2
90°
73°
3
90°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Thang Duc
Thang Duc's September 2026 forecast shows daily high temperatures ranging from 83° to 91°, with overnight lows between 71° and 76°. The average high for September is 87° 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 Thang Duc. See also: October | November | December.