United States · 1991–2020 normal

Ladson in
September.

Typical September weather in Ladson: 29.7°C by day, 20.3°C at night, 153 mm of rain over 8.4 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high29.7°C
Typical low20.3°C
Rain153 mm
Wet days8.4

Comfort score 50 this month (April leads the year at 82). Daylight is calculated as 12 h 20 from latitude 32.99°. Open-water sea temperature is 27.2°C (40 km from the place centre).

Event window

Warm sea in September

The nearest open-water NOAA OISST 1991–2020 cell averages 27.2°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 4584277
NOAA station
USW00013880 · CHARLESTON INTL AP
Station distance
11.6 km from the place centre
Coverage
Strong coverage · 30 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.