S
M
T
W
T
F
S
30
90°
79°
31
90°
79°
1
90°
81°
2
91°
81°
3
91°
79°
4
95°
79°
5
93°
79°
6
90°
77°
7
91°
77°
8
91°
78°
9
92°
76°
10
89°
77°
11
85°
77°
12
87°
78°
13
87°
77°
14
88°
76°
15
87°
76°
16
88°
77°
17
88°
77°
18
87°
78°
19
83°
76°
20
84°
77°
21
85°
76°
22
85°
76°
23
87°
77°
24
87°
76°
25
86°
76°
26
86°
77°
27
86°
76°
28
86°
76°
29
86°
77°
30
84°
76°
1
86°
76°
2
87°
77°
3
87°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Pho Tri
Pho Tri's September 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 76° and 78°. The average high for September is 87° with an average low of 77°. 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 Pho Tri. See also: October | November | December.