United States · 1991–2020 normal
Isle of Palms in
September.
Typical September weather in Isle of Palms: 29.9°C by day, 20.7°C at night, 112 mm of rain over 7.3 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high29.9°C
Typical low20.7°C
Rain112 mm
Wet days7.3
Comfort score 56 this month (April leads the year at 88). Daylight is calculated as 12 h 20 from latitude 32.79°. Open-water sea temperature is 27.0°C (19 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 27.0°C in September. A sheltered bay can run warmer than that open-water cell.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4583114
- NOAA station
- USC00388405 · SULLIVANS IS
- Station distance
- 6.5 km from the place centre
- Coverage
- Strong coverage · 26 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.