Guánica, Thursday, 8 October, 01:19
Overcast. Feels like 79°. High 85°, low 76°.
In September, Guánica, PR averages a high of 86.9° and a low of 77.7°. About 4.0 inches of precipitation fall over the month (16 wet days). The record high is 93.9° (2022) and the record low 71.8° (1961). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 87.8° | 78.1° | 45% | 91.6° (2009) | 74.5° (1986) |
| 2 | 87.3° | 77.9° | 55% | 92.7° (2009) | 74.5° (1974) |
| 3 | 87.6° | 77.9° | 52% | 91.9° (1995) | 74.8° (1974) |
| 4 | 87.8° | 77.9° | 45% | 91.2° (1960) | 74.1° (1964) |
| 5 | 87.4° | 77.9° | 40% | 91.4° (1995) | 71.8° (1961) |
| 6 | 87.6° | 77.7° | 50% | 91.8° (2022) | 73.9° (1961) |
| 7 | 87.4° | 77.9° | 52% | 91.2° (2023) | 74.7° (2024) |
| 8 | 87.1° | 77.9° | 45% | 91° (2023) | 75.6° (1979) |
| 9 | 87.4° | 78.1° | 52% | 91° (2012) | 75.4° (1961) |
| 10 | 87.6° | 77.9° | 52% | 91.6° (2025) | 74.8° (2006) |
| 11 | 87.6° | 77.9° | 68% | 92.1° (2023) | 75.2° (2008) |
| 12 | 87.4° | 77.9° | 55% | 91.4° (1972) | 75.4° (2013) |
| 13 | 87.4° | 77.9° | 57% | 91.6° (1983) | 74.7° (1985) |
| 14 | 87.3° | 77.9° | 58% | 91.4° (1983) | 75.6° (1989) |
| 15 | 87.1° | 77.9° | 53% | 91.2° (2022) | 75.2° (1974) |
| 16 | 86.9° | 77.7° | 48% | 92.3° (2023) | 74.8° (1961) |
| 17 | 86.9° | 77.5° | 53% | 93.9° (2022) | 72.5° (2025) |
| 18 | 86.5° | 77.5° | 63% | 90.7° (1983) | 73.8° (1974) |
| 19 | 86.5° | 77.4° | 67% | 93.6° (2024) | 73.9° (1975) |
| 20 | 86.4° | 77.4° | 60% | 92.3° (2023) | 74.7° (1975) |
| 21 | 86.5° | 77.4° | 65% | 92.1° (2024) | 75° (1975) |
| 22 | 86° | 77.5° | 62% | 91.4° (2024) | 75.2° (1977) |
| 23 | 86.5° | 77.5° | 50% | 91.9° (2024) | 73.9° (1984) |
| 24 | 86.5° | 77.7° | 57% | 92.3° (2024) | 75° (1961) |
| 25 | 86.4° | 77.5° | 60% | 92.8° (2024) | 74.3° (1974) |
| 26 | 86.2° | 77.4° | 58% | 91.2° (2024) | 74.8° (1975) |
| 27 | 86.5° | 77.4° | 58% | 90.9° (1987) | 74.3° (2023) |
| 28 | 86° | 77.2° | 60% | 92.5° (2023) | 73.8° (1998) |
| 29 | 86.2° | 77.2° | 50% | 92.1° (2023) | 72.1° (1975) |
| 30 | 86° | 77.2° | 58% | 91.2° (2023) | 74.1° (2022) |