United States · 1991–2020 normal

Stock Island in
September.

Typical September weather in Stock Island: 31.4°C by day, 26.1°C at night, 177 mm of rain over 13.2 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high31.4°C
Typical low26.1°C
Rain177 mm
Wet days13.2

Comfort score 27 this month (January leads the year at 91). Daylight is calculated as 12 h 16 from latitude 24.57°. Open-water sea temperature is 29.5°C (13 km from the place centre).

Event window

Warm sea in September

The nearest open-water NOAA OISST 1991–2020 cell averages 29.5°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 4174131
NOAA station
USW00012836 · KEY W INTL AP
Station distance
2 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.