Is Bay Harbor Islands hot in September?
Days are typically hot at 30.7°C, while nights average 25.4°C.
United States · 1991–2020 normal
Bay Harbor Islands in
September.
Typical September weather in Bay Harbor Islands: 30.7°C by day, 25.4°C at night, 193 mm of rain over 12.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high30.7°C
Typical low25.4°C
Rain193 mm
Wet days12.6
In the year-round weather comparison, September scores 28 out of 100 (January leads the year at 89). Daylight is calculated as 12 h 16 from latitude 25.89°. Open-water sea temperature is 29.3°C (2 km from the place centre).
September at a glance
What is Bay Harbor Islands like in September?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 193 mm across about 13 wet days.
How much daylight is there?
There are about 12 h 16 between sunrise and sunset at mid-month, calculated from the place latitude.
Is September a good time to visit?
September ranks 11 of 12 in our weather comparison; January ranks first.
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 29.3°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 4146823
- NOAA station
- USW00092811 · MIAMI BEACH
- Station distance
- 9 km from the place centre
- Coverage
- Strong coverage · 28 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Bay Harbor Islands is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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