Santa Isabel, Sunday, 9 August, 03:01
Partly cloudy. Feels like 87°. High 91°, low 79°.
In September, Santa Isabel, PR averages a high of 85.9° and a low of 75.9°. About 4.9 inches of precipitation fall over the month (19 wet days). The record high is 96.4° (2021) and the record low 70.3° (1984). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 86.9° | 76.3° | 57% | 91.2° (2018) | 72.9° (1986) |
| 2 | 86.4° | 76.1° | 62% | 90.7° (2009) | 72.9° (1986) |
| 3 | 86.7° | 76.3° | 55% | 93.4° (2021) | 73.6° (1965) |
| 4 | 86.7° | 76.1° | 50% | 94.1° (2021) | 72.5° (1964) |
| 5 | 86.5° | 76.3° | 58% | 96.3° (2021) | 72° (1961) |
| 6 | 86.5° | 76.1° | 50% | 96.4° (2021) | 71.8° (1961) |
| 7 | 86.4° | 76.1° | 58% | 94.5° (2021) | 72.7° (1973) |
| 8 | 86.2° | 76.1° | 58% | 93.2° (2023) | 73.2° (1989) |
| 9 | 86.4° | 76.3° | 50% | 91.4° (1975) | 73.2° (2025) |
| 10 | 86.4° | 76.3° | 62% | 90.9° (2021) | 72.5° (1984) |
| 11 | 86.4° | 76.1° | 72% | 91° (1997) | 71.6° (1971) |
| 12 | 86.2° | 75.9° | 60% | 91.4° (2018) | 72.9° (1975) |
| 13 | 86.4° | 76.1° | 60% | 93.6° (2021) | 72.9° (1975) |
| 14 | 86.2° | 76.3° | 62% | 92.8° (2019) | 73.9° (1962) |
| 15 | 85.8° | 76.3° | 63% | 93° (2019) | 73.9° (1974) |
| 16 | 85.8° | 75.9° | 60% | 92.5° (2022) | 72.7° (1980) |
| 17 | 85.8° | 75.9° | 68% | 92.3° (2024) | 71.8° (1961) |
| 18 | 85.5° | 75.9° | 75% | 90.3° (1983) | 72.1° (1960) |
| 19 | 85.6° | 75.6° | 72% | 90.5° (2024) | 72.3° (1974) |
| 20 | 85.3° | 75.6° | 77% | 90.3° (2023) | 73.2° (1962) |
| 21 | 85.5° | 75.6° | 68% | 90.9° (2023) | 73.8° (1984) |
| 22 | 84.9° | 75.7° | 68% | 91.4° (2023) | 73.4° (1977) |
| 23 | 85.5° | 75.7° | 63% | 90.7° (2024) | 70.3° (1984) |
| 24 | 85.5° | 75.9° | 67% | 91.9° (2024) | 73° (1961) |
| 25 | 85.5° | 75.9° | 65% | 93.9° (2024) | 72° (1974) |
| 26 | 85.5° | 75.7° | 67% | 93° (2024) | 72.1° (1975) |
| 27 | 85.6° | 75.6° | 68% | 90.7° (1987) | 72.9° (1985) |
| 28 | 84.9° | 75.4° | 70% | 91.8° (2023) | 72° (1976) |
| 29 | 85.3° | 75.4° | 63% | 90.9° (2023) | 71.6° (1976) |
| 30 | 85.1° | 75.6° | 72% | 92.3° (2023) | 72.5° (1975) |