As of 21:37 AST

Río Grande, PR weather in September

83°

Río Grande, Saturday, 8 August, 21:37

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

Pressure30.03 inHg

Wind10.4 mph E

Humidity74%

Visibility6.2 mi

Dew point74°

See detailed hourly forecast

In September, Río Grande, PR averages a high of 86.1° and a low of 76.6°. About 6.3 inches of precipitation fall over the month (25 wet days). The record high is 92.1° (2012) and the record low 71.6° (2022). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	86.2°	76.8°	83%	90.1° (1995)	73° (2021)
2	86.2°	76.6°	87%	90.3° (1995)	73.8° (1975)
3	86.5°	76.8°	78%	90.1° (2005)	74.3° (1972)
4	86.5°	76.8°	77%	90.7° (2005)	74.1° (1979)
5	86.4°	76.8°	87%	90.9° (2012)	73.4° (1979)
6	86.4°	76.6°	82%	92.1° (2012)	73.6° (1979)
7	86.4°	76.8°	82%	92.1° (2012)	73.8° (1979)
8	86.4°	76.8°	75%	91° (2012)	74.8° (2019)
9	86.4°	76.6°	75%	90.9° (1997)	73.6° (1967)
10	86.2°	76.8°	82%	90.9° (1978)	73.4° (1971)
11	86°	76.6°	85%	89.4° (2006)	73.9° (1970)
12	86.4°	76.8°	77%	90.7° (1971)	73.8° (2021)
13	86.2°	76.8°	87%	91.9° (2023)	73.8° (1967)
14	85.8°	76.8°	87%	91° (2023)	73.6° (1984)
15	85.6°	76.8°	82%	91.9° (2023)	74.5° (2004)
16	85.8°	76.5°	75%	89.6° (2023)	73.6° (1975)
17	86°	76.6°	78%	90° (2006)	73° (2011)
18	85.8°	76.5°	93%	89.8° (1987)	73° (1974)
19	86°	76.5°	92%	88.9° (1993)	73.2° (1974)
20	86.2°	76.1°	92%	89.4° (1999)	73° (2020)
21	85.8°	76.3°	83%	90.3° (2019)	73.6° (1975)
22	85.8°	76.3°	87%	91.2° (2024)	74.3° (1974)
23	85.8°	76.5°	73%	91° (2024)	73.6° (1984)
24	86°	76.5°	88%	90.9° (2024)	73.6° (1974)
25	86°	76.5°	90%	89.8° (2024)	73.2° (2018)
26	86°	76.5°	87%	91.4° (1969)	73.8° (1975)
27	85.6°	76.5°	83%	89.8° (2015)	74.1° (2014)
28	85.8°	76.1°	90%	90.7° (2025)	73.4° (1973)
29	86°	76.1°	80%	91.4° (1969)	71.6° (2022)
30	85.8°	76.1°	87%	90.5° (1969)	72.7° (2022)