As of 07:11 AST

Las Marías, PR weather in September

78°

Las Marías, Sunday, 9 August, 07:11

Clear. Feels like 79°. High 91°, low 78°.

Pressure30.00 inHg

Wind5 mph E

Humidity91%

Visibility6.2 mi

Dew point75°

See detailed hourly forecast

In September, Las Marías, PR averages a high of 87° and a low of 77.6°. About 5.2 inches of precipitation fall over the month (23 wet days). The record high is 94.1° (2024) and the record low 71.8° (2023). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	87.6°	77.7°	67%	90.9° (2023)	73.8° (2018)
2	87.3°	77.7°	80%	90.5° (2025)	72.5° (2021)
3	87.4°	77.7°	72%	92.5° (2024)	73.9° (2019)
4	87.6°	77.5°	72%	91° (2021)	72.1° (2018)
5	87.1°	77.5°	68%	93.2° (2023)	72.3° (2018)
6	87.3°	77.5°	70%	90.9° (2023)	71.8° (2023)
7	87.1°	77.5°	65%	91.2° (2023)	72.9° (2025)
8	87.3°	77.7°	68%	92.3° (2023)	72.5° (2018)
9	87.3°	77.7°	73%	90.9° (1986)	72.3° (2025)
10	87.4°	77.7°	68%	92.7° (2025)	73.4° (2018)
11	87.3°	77.7°	80%	91.9° (1997)	73.4° (2018)
12	87.4°	77.5°	72%	91.4° (1994)	73.2° (2018)
13	87.4°	77.7°	82%	90.9° (1983)	73.2° (2025)
14	87.4°	77.9°	68%	92.3° (2023)	73.2° (2025)
15	87.4°	77.7°	77%	91.8° (2023)	73.9° (2018)
16	87.1°	77.5°	68%	94.1° (2024)	73.6° (2021)
17	86.9°	77.5°	78%	92.5° (2024)	74.7° (1961)
18	86.5°	77.5°	88%	91.9° (2023)	73.8° (2025)
19	86.5°	77.4°	80%	91.6° (2024)	72.1° (2022)
20	86.5°	77.4°	77%	91.4° (2019)	73° (2025)
21	86.7°	77.5°	83%	92.5° (2023)	73.9° (2020)
22	86.4°	77.5°	78%	91° (2024)	73° (2022)
23	86.9°	77.5°	67%	92.1° (2024)	74.1° (2018)
24	86.7°	77.5°	82%	91.2° (2023)	73.8° (2018)
25	86.5°	77.5°	87%	91.6° (2024)	73.2° (2018)
26	86.5°	77.4°	73%	93.2° (2024)	72.3° (2025)
27	86.7°	77.4°	77%	90.7° (2019)	72.5° (2025)
28	86.4°	77.4°	77%	91.4° (2023)	74.3° (2020)
29	86.5°	77.4°	73%	92.3° (1968)	72.3° (2022)
30	86.5°	77.2°	85%	90.3° (1966)	72.3° (2022)