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
90°
79°
7
88°
79°
8
90°
79°
9
N/A
10
87°
77°
11
87°
79°
12
84°
78°
13
88°
78°
14
89°
77°
15
91°
78°
16
93°
78°
17
96°
77°
18
94°
76°
19
92°
78°
20
90°
78°
21
93°
79°
22
92°
77°
23
88°
73°
24
89°
72°
25
91°
72°
26
90°
73°
27
90°
74°
28
89°
75°
29
89°
75°
30
90°
74°
1
89°
74°
2
89°
73°
3
88°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Thon Hai
Thon Hai's September 2026 forecast shows daily high temperatures ranging from 84° to 96°, with overnight lows between 72° and 79°. The average high for September is 90° with an average low of 76°. 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 Thon Hai. See also: October | November | December.
