As of 09:33 AST

San Lorenzo, PR weather in September

85°

San Lorenzo, Sunday, 9 August, 09:33

Overcast. Feels like 95°. High 89°, low 78°.

Pressure30.06 inHg

Wind6 mph W

Humidity75%

Visibility6.2 mi

Dew point76°

See detailed hourly forecast

In September, San Lorenzo, PR averages a high of 85.8° and a low of 75.4°. About 6.3 inches of precipitation fall over the month (25 wet days). The record high is 91.4° (2023) and the record low 69.8° (2022). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	86.4°	75.6°	78%	89.6° (2005)	72.1° (2021)
2	86°	75.6°	90%	90.1° (1967)	72.5° (2021)
3	86.4°	75.6°	78%	90° (1967)	72.3° (2020)
4	86.4°	75.7°	77%	90.9° (1960)	73.2° (1982)
5	86.2°	75.7°	85%	89.4° (1966)	72.1° (1961)
6	86.2°	75.6°	78%	90.5° (2012)	72.9° (2018)
7	86.2°	75.6°	78%	90.9° (1978)	72° (2025)
8	86°	75.7°	77%	90.7° (1997)	72.7° (2024)
9	86.2°	75.6°	75%	90.9° (2025)	72° (2025)
10	85.8°	75.6°	80%	90.3° (1978)	72.5° (2018)
11	86°	75.6°	87%	90.9° (2023)	72.3° (2018)
12	86°	75.6°	78%	89.4° (2012)	73° (2020)
13	86°	75.7°	88%	89.1° (2023)	73.4° (1967)
14	85.6°	75.7°	83%	89.1° (2023)	73.8° (1984)
15	85.3°	75.7°	83%	90.3° (2023)	73.8° (1961)
16	85.8°	75.4°	78%	91.4° (2023)	73.8° (2025)
17	85.8°	75.4°	77%	89.6° (2023)	73° (1961)
18	85.5°	75.6°	93%	89.2° (2023)	73° (1974)
19	85.6°	75.4°	92%	90.3° (2024)	72° (2021)
20	85.6°	75°	90%	89.8° (2024)	70.5° (2020)
21	85.6°	75.2°	83%	90° (2024)	71.8° (2020)
22	85.3°	75.2°	85%	89.8° (2023)	73.2° (1970)
23	85.5°	75.4°	75%	89.4° (2024)	73.2° (1984)
24	85.5°	75.4°	88%	90° (2024)	72.7° (1974)
25	85.5°	75.4°	85%	89.4° (2023)	72.7° (2021)
26	85.6°	75.2°	88%	90.3° (1969)	72.5° (2018)
27	85.5°	75.2°	82%	88.9° (2023)	72.7° (2025)
28	85.3°	75°	90%	91° (2023)	71.4° (2025)
29	85.5°	75°	83%	90.7° (2023)	69.8° (2022)
30	85.3°	75°	87%	88.9° (1969)	70.9° (2021)