As of 10:58 AST

Guayama, PR weather in September

87°

Guayama, Sunday, 9 August, 10:58

Light rain. Feels like 100°. High 89°, low 79°.

Pressure30.03 inHg

Wind10 mph SE

Humidity76%

Visibility6.2 mi

Dew point79°

See detailed hourly forecast

In September, Guayama, PR averages a high of 85° and a low of 76.9°. About 5.4 inches of precipitation fall over the month (21 wet days). The record high is 91.9° (2017) and the record low 72.1° (1984). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	85.5°	77.2°	65%	89.6° (2022)	74.1° (1986)
2	85.3°	76.8°	73%	89.8° (2022)	74.1° (1981)
3	85.6°	77.2°	60%	91° (2022)	74.3° (1974)
4	85.6°	77.2°	65%	91° (1960)	74.3° (1981)
5	85.5°	77.2°	57%	91.9° (2017)	72.9° (1961)
6	85.5°	77.2°	62%	90.7° (2021)	73.8° (1973)
7	85.5°	77°	62%	90.3° (2021)	74.5° (1973)
8	85.3°	77°	70%	90° (2023)	74.5° (1979)
9	85.3°	77°	70%	89.4° (2021)	74.7° (1965)
10	85.1°	77°	73%	88.3° (2015)	73.2° (2018)
11	85.3°	77°	78%	88.3° (2019)	72.9° (1971)
12	85.3°	77°	67%	88.2° (2012)	73.9° (1975)
13	85.3°	77.2°	67%	88.3° (2018)	74.3° (1985)
14	84.9°	77.2°	63%	89.4° (2022)	75° (1960)
15	84.7°	77°	68%	88.2° (2022)	74.1° (2018)
16	84.9°	76.8°	68%	89.2° (2023)	74.5° (1975)
17	85.1°	77°	77%	90.9° (2020)	73.9° (2011)
18	84.7°	76.8°	78%	88.3° (2020)	73° (1974)
19	84.7°	76.6°	78%	88.2° (2024)	73° (2020)
20	84.7°	76.5°	82%	89.4° (2021)	73.6° (2020)
21	84.7°	76.6°	73%	88.2° (2023)	74.7° (1984)
22	84.6°	76.6°	75%	88.9° (2023)	74.3° (1977)
23	84.7°	76.8°	63%	88° (2024)	72.1° (1984)
24	84.7°	76.8°	75%	89.1° (2024)	74.5° (1974)
25	84.7°	76.6°	80%	90.5° (2024)	72.7° (2018)
26	84.9°	76.8°	62%	90.3° (2023)	73.6° (1976)
27	84.9°	76.8°	72%	88.9° (2023)	73.9° (1985)
28	84.6°	76.5°	78%	91.2° (2023)	73.8° (1976)
29	84.7°	76.5°	77%	91° (2023)	72.5° (2022)
30	84.4°	76.6°	73%	90° (2023)	74.1° (2022)