Las Piedras, Sunday, 9 August, 00:43
Mostly clear. Feels like 84°. High 91°, low 77°.
In September, Las Piedras, PR averages a high of 84.5° and a low of 75.1°. About 6.4 inches of precipitation fall over the month (25 wet days). The record high is 89.4° (1960) and the record low 68.9° (2022). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 84.9° | 75.4° | 77% | 88.3° (2005) | 71.2° (2022) |
| 2 | 84.6° | 75.2° | 88% | 87.6° (1967) | 71.1° (1986) |
| 3 | 84.9° | 75.4° | 78% | 88° (1981) | 71.8° (2023) |
| 4 | 85.1° | 75.4° | 77% | 89.4° (1960) | 72.9° (1982) |
| 5 | 84.9° | 75.4° | 85% | 88.2° (2012) | 72.3° (1961) |
| 6 | 84.9° | 75.2° | 80% | 89.2° (2012) | 71.4° (2024) |
| 7 | 84.7° | 75.4° | 80% | 89.2° (1978) | 71.2° (2025) |
| 8 | 84.7° | 75.4° | 77% | 88.9° (1997) | 71.6° (2024) |
| 9 | 84.7° | 75.2° | 75% | 88.5° (2025) | 69.4° (2025) |
| 10 | 84.6° | 75.4° | 83% | 88.9° (2023) | 70.7° (2018) |
| 11 | 84.7° | 75.2° | 87% | 89.2° (2023) | 70.7° (2018) |
| 12 | 84.7° | 75.4° | 78% | 87.6° (2012) | 71.1° (2018) |
| 13 | 84.7° | 75.6° | 87% | 87.6° (2023) | 73° (1967) |
| 14 | 84.2° | 75.4° | 85% | 87.4° (2023) | 72.3° (2021) |
| 15 | 84° | 75.4° | 85% | 88.2° (2023) | 73.6° (2021) |
| 16 | 84.4° | 75.2° | 75% | 89.2° (2023) | 72.3° (2025) |
| 17 | 84.6° | 75.2° | 80% | 87.8° (2010) | 71.8° (2025) |
| 18 | 84.2° | 75° | 93% | 88° (1999) | 70.9° (2021) |
| 19 | 84.4° | 75° | 92% | 88.5° (2024) | 71.2° (2025) |
| 20 | 84.4° | 74.7° | 92% | 87.6° (2023) | 69.1° (2020) |
| 21 | 84.4° | 74.8° | 83% | 87.8° (2024) | 72.5° (2024) |
| 22 | 84.2° | 74.8° | 87% | 87.6° (2023) | 71.4° (2018) |
| 23 | 84.2° | 75° | 78% | 87.4° (2003) | 71.6° (2024) |
| 24 | 84.2° | 75° | 90% | 88.3° (2024) | 72° (1984) |
| 25 | 84.4° | 75° | 87% | 87.6° (2024) | 71.1° (2018) |
| 26 | 84.6° | 74.8° | 90% | 89.2° (1969) | 71.6° (2018) |
| 27 | 84.4° | 74.8° | 83% | 87.3° (1990) | 71.4° (2022) |
| 28 | 84° | 74.7° | 87% | 88.9° (2023) | 70.9° (2025) |
| 29 | 84.4° | 74.5° | 83% | 89.2° (2023) | 68.9° (2022) |
| 30 | 84° | 74.7° | 87% | 87.8° (1969) | 70.7° (2022) |