As of 01:01 AST

Yauco, PR weather in September

77°

Yauco, Sunday, 9 August, 01:01

Overcast. Feels like 79°. High 89°, low 77°.

Pressure30.00 inHg

Wind4.5 mph NE

Humidity86%

Visibility6.2 mi

Dew point73°

See detailed hourly forecast

In September, Yauco, PR averages a high of 86.3° and a low of 76.8°. About 4.9 inches of precipitation fall over the month (20 wet days). The record high is 92.3° (2009) and the record low 69.1° (2025). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	87.3°	77.2°	68%	91.2° (2009)	71.8° (2022)
2	86.7°	77°	73%	92.3° (2009)	72.1° (2022)
3	87.1°	77°	53%	91.6° (1995)	72.1° (2022)
4	87.3°	77°	55%	90.9° (1960)	73.8° (1964)
5	87.1°	77°	68%	91° (1995)	71.4° (1961)
6	87.1°	76.8°	58%	91.2° (2021)	73.6° (1961)
7	86.7°	77°	62%	90.5° (1986)	71.6° (2025)
8	86.7°	77°	55%	90.5° (1975)	74.1° (2025)
9	86.9°	77.4°	63%	90.7° (2012)	72.9° (2023)
10	87.1°	77.2°	60%	91° (1982)	72.1° (2018)
11	86.9°	77°	82%	91.2° (1997)	72.9° (2020)
12	86.7°	77°	67%	91° (1972)	73.9° (2020)
13	86.7°	77°	65%	91.2° (1983)	74.1° (2020)
14	86.7°	77.2°	67%	91° (1983)	73° (2018)
15	86.5°	77.2°	63%	90.9° (2019)	73.9° (2022)
16	86.4°	77°	68%	91.4° (2006)	74.3° (2018)
17	86.2°	76.6°	62%	90.7° (2022)	69.1° (2025)
18	85.8°	76.8°	78%	90.3° (1983)	71.4° (2020)
19	86°	76.5°	75%	91° (1983)	71.6° (2021)
20	85.6°	76.6°	72%	91.4° (1986)	72.3° (2020)
21	86°	76.6°	72%	89.6° (1982)	73.6° (2021)
22	85.3°	76.6°	72%	90.5° (1973)	73.4° (2018)
23	86°	76.8°	60%	90.9° (2002)	71.8° (2025)
24	86°	76.8°	68%	90.9° (1971)	73.4° (2025)
25	85.6°	76.8°	72%	90.1° (1981)	72.7° (2025)
26	85.6°	76.6°	77%	90.1° (1987)	72.7° (2018)
27	85.8°	76.5°	72%	90.5° (1987)	71.4° (2023)
28	85.5°	76.3°	77%	90.3° (2023)	72.5° (2023)
29	85.5°	76.5°	60%	90.3° (2023)	71.8° (1975)
30	85.5°	76.5°	68%	88.9° (1990)	71.4° (2022)