United States · 1991–2020 normal
Grand Bay in
September.
Typical September weather in Grand Bay: 29.6°C by day, 20.2°C at night, 159 mm of rain over 7.6 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high29.6°C
Typical low20.2°C
Rain159 mm
Wet days7.6
Comfort score 51 this month (October leads the year at 82). Daylight is calculated as 12 h 19 from latitude 30.48°. Open-water sea temperature is 28.3°C (12 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 28.3°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 4064840
- NOAA station
- USC00011803 · CODEN
- Station distance
- 14.8 km from the place centre
- Coverage
- Good coverage · 24 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.