United States · 1991–2020 normal

Islamorada in
September.

Typical September weather in Islamorada: 31.1°C by day, 25.8°C at night, 198 mm of rain over 10.5 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high31.1°C
Typical low25.8°C
Rain198 mm
Wet days10.5

Comfort score 27 this month (January leads the year at 95). Daylight is calculated as 12 h 16 from latitude 24.92°. Open-water sea temperature is 29.4°C (6 km from the place centre).

Event window

Warm sea in September

The nearest open-water NOAA OISST 1991–2020 cell averages 29.4°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 4159839
NOAA station
USC00084320 · ISLAMORADA
Station distance
1.1 km from the place centre
Coverage
Good coverage · 15 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.