As of 23:48 AST

Cayey, PR weather in September

76°

Cayey, Saturday, 8 August, 23:48

Partly cloudy. Feels like 78°. High 86°, low 73°.

Pressure30.03 inHg

Wind2.1 mph NE

Humidity85%

Visibility6.2 mi

Dew point71°

See detailed hourly forecast

In September, Cayey, PR averages a high of 82.6° and a low of 71.9°. About 5.5 inches of precipitation fall over the month (22 wet days). The record high is 89.8° (1997) and the record low 65.7° (2020). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	83.3°	72.1°	68%	87.6° (1996)	69.3° (2022)
2	82.9°	72°	75%	87.8° (1967)	68° (2021)
3	83.3°	72.1°	60%	87.8° (1960)	69.1° (2020)
4	83.5°	72.1°	63%	88.5° (1960)	68.7° (2025)
5	83.1°	72.1°	63%	88° (1997)	67.5° (1961)
6	83.1°	72°	62%	87.4° (1997)	68.4° (1983)
7	83.1°	72°	62%	88.9° (1997)	68.4° (2025)
8	82.8°	72.1°	72%	89.8° (1997)	69.1° (2019)
9	83.1°	72.1°	77%	87.6° (1975)	67.8° (2018)
10	82.8°	72.1°	75%	87.4° (1978)	68° (2018)
11	82.9°	72°	82%	86.9° (1997)	68.4° (2018)
12	82.9°	72°	68%	86.7° (2012)	68° (2020)
13	82.9°	72.1°	67%	86.7° (1997)	69.4° (2025)
14	82.6°	72.3°	65%	86° (1995)	70.2° (2021)
15	82.2°	72.3°	72%	84.7° (1987)	70.5° (1961)
16	82.6°	72°	72%	86.2° (2023)	69.3° (1980)
17	82.4°	72°	75%	86.2° (1976)	69.1° (1961)
18	82.2°	72°	80%	85.6° (2014)	69.3° (1960)
19	82.4°	71.8°	82%	87.3° (2024)	68.7° (2020)
20	82.2°	71.6°	85%	85.3° (1997)	65.7° (2020)
21	82.2°	71.8°	77%	86° (2024)	69.1° (2022)
22	81.9°	71.8°	75%	85.6° (1968)	68.9° (2025)
23	82.2°	71.8°	65%	85.8° (1968)	67.8° (1984)
24	82.2°	71.8°	77%	86.5° (1971)	68.7° (1961)
25	82.2°	71.8°	82%	85.5° (1971)	67.8° (2018)
26	82.4°	71.8°	65%	86.5° (2023)	68.4° (2021)
27	82.2°	71.8°	75%	85.8° (1966)	69.3° (2025)
28	81.9°	71.6°	78%	86.7° (2023)	68.7° (1985)
29	82°	71.6°	80%	87.3° (2023)	67.1° (2022)
30	81.9°	71.6°	78%	86° (1990)	69.4° (1975)