United States · 1991–2020 normal
Chesapeake Beach in
September.
Typical September weather in Chesapeake Beach: 24.9°C by day, 14.9°C at night, 124 mm of rain over 7.5 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high24.9°C
Typical low14.9°C
Rain124 mm
Wet days7.5
Comfort score 80 this month, the highest of the year. Daylight is calculated as 12 h 23 from latitude 38.69°. Open-water sea temperature is 23.4°C (15 km from the place centre).
Event window
Warm sea in September
The nearest open-water NOAA OISST 1991–2020 cell averages 23.4°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 4351184
- NOAA station
- USC00185865 · MECHANICSVILLE 5 NE
- Station distance
- 27.2 km from the place centre
- Coverage
- Strong coverage · 30 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.