S
M
T
W
T
F
S
30
82°
74°
31
86°
73°
1
89°
75°
2
90°
73°
3
82°
74°
4
89°
76°
5
N/A
6
90°
72°
7
88°
74°
8
89°
73°
9
89°
73°
10
88°
73°
11
88°
73°
12
90°
71°
13
89°
73°
14
87°
74°
15
85°
72°
16
86°
74°
17
85°
73°
18
89°
75°
19
89°
74°
20
90°
73°
21
90°
74°
22
89°
75°
23
91°
74°
24
91°
75°
25
90°
75°
26
90°
74°
27
87°
74°
28
88°
72°
29
89°
72°
30
89°
72°
1
90°
71°
2
89°
72°
3
89°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Singapur
Singapur's September 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 71° and 75°. The average high for September is 89° with an average low of 73°. 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 Singapur. See also: October | November | December.
