S
M
T
W
T
F
S
30
91°
81°
31
89°
77°
1
84°
76°
2
99°
77°
3
96°
78°
4
93°
77°
5
91°
79°
6
91°
76°
7
91°
78°
8
93°
78°
9
91°
79°
10
87°
73°
11
83°
75°
12
83°
73°
13
79°
75°
14
78°
74°
15
81°
74°
16
83°
74°
17
84°
76°
18
85°
74°
19
86°
73°
20
85°
74°
21
84°
75°
22
81°
77°
23
85°
72°
24
88°
73°
25
87°
72°
26
87°
73°
27
86°
75°
28
87°
76°
29
86°
76°
30
86°
75°
1
85°
75°
2
85°
74°
3
83°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bau Mon
Bau Mon's September 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 72° and 77°. The average high for September is 84° 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 Bau Mon. See also: October | November | December.