Jamaica · 1991–2020 normal
Duncans in
September.
Typical September weather in Duncans: 33.3°C by day, 24.4°C at night, 126 mm of rain over 10.2 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high33.3°C
Typical low24.4°C
Rain126 mm
Wet days10.2
Comfort score 33 this month (February leads the year at 65). Daylight is calculated as 12 h 13 from latitude 18.47°. Open-water sea temperature is 29.7°C (20 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 29.7°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 3490633
- NOAA station
- JM000078388 · MONTEGO BAY/SANGSTE
- Station distance
- 40.3 km from the place centre
- Coverage
- Good coverage · 18 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.