S
M
T
W
T
F
S
30
94°
75°
31
91°
73°
1
93°
78°
2
93°
78°
3
97°
78°
4
98°
80°
5
93°
77°
6
96°
78°
7
93°
78°
8
N/A
9
95°
77°
10
88°
76°
11
88°
78°
12
91°
79°
13
93°
77°
14
87°
77°
15
89°
77°
16
90°
78°
17
90°
77°
18
90°
79°
19
91°
78°
20
90°
77°
21
89°
78°
22
89°
78°
23
88°
77°
24
88°
78°
25
89°
78°
26
88°
79°
27
88°
78°
28
89°
78°
29
88°
77°
30
88°
78°
1
89°
78°
2
88°
77°
3
88°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Phak Hai
Phak Hai's September 2026 forecast shows daily high temperatures ranging from 87° to 95°, with overnight lows between 76° and 79°. The average high for September is 89° with an average low of 78°. 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 Phak Hai. See also: October | November | December.