S
M
T
W
T
F
S
30
89°
71°
31
90°
71°
1
88°
70°
2
89°
72°
3
89°
72°
4
88°
71°
5
89°
71°
6
88°
72°
7
89°
71°
8
88°
72°
9
89°
72°
10
90°
71°
11
89°
71°
12
88°
70°
13
87°
71°
14
88°
71°
15
88°
70°
16
89°
71°
17
88°
72°
18
88°
72°
19
89°
71°
20
89°
72°
21
92°
71°
22
91°
71°
23
91°
70°
24
90°
71°
25
91°
70°
26
91°
71°
27
90°
71°
28
91°
70°
29
91°
70°
30
90°
71°
1
91°
71°
2
91°
70°
3
92°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Ponce
Ponce's September 2026 forecast shows daily high temperatures ranging from 87° to 92°, with overnight lows between 70° and 72°. The average high for September is 89° with an average low of 71°. 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 Ponce. See also: October | November | December.
