United States · 1991–2020 normal
Chalmette in
September.
Typical September weather in Chalmette: 31.4°C by day, 22.5°C at night, 206 mm of rain over 9.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high31.4°C
Typical low22.5°C
Rain206 mm
Wet days9.5
Comfort score 32 this month (April leads the year at 77). Daylight is calculated as 12 h 18 from latitude 29.94°. Open-water sea temperature is 28.2°C (22 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 4319518
- NOAA station
- USC00168941 · TERRYTOWN 3S
- Station distance
- 7.6 km from the place centre
- Coverage
- Good coverage · 20 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.