United States · 1991–2020 normal

Chevy Chase in
September.

Typical September weather in Chevy Chase: 27.1°C by day, 15.2°C at night, 116 mm of rain over 7.6 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high27.1°C
Typical low15.2°C
Rain116 mm
Wet days7.6

Comfort score 74 this month, the highest of the year. Daylight is calculated as 12 h 24 from latitude 38.98°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4138011
NOAA station
USC00182325 · DALECARLIA RSVR
Station distance
5.4 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.