United States · 1991–2020 normal
Belle Chasse in
September.
Typical September weather in Belle Chasse: 30.5°C by day, 21.5°C at night, 158 mm of rain over 7.8 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high30.5°C
Typical low21.5°C
Rain158 mm
Wet days7.8
Comfort score 45 this month (April leads the year at 82). Daylight is calculated as 12 h 18 from latitude 29.85°. Open-water sea temperature is 28.2°C (32 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 28.2°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 4316329
- NOAA station
- USW00012958 · NEW ORLEANS ALVIN CALLENDER FL
- Station distance
- 4.9 km from the place centre
- Coverage
- Good coverage · 16 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.