United States · 1991–2020 normal

Washington in
September.

Typical September weather in Washington: 20.6°C by day, 11.1°C at night, 116 mm of rain over 7.6 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high20.6°C
Typical low11.1°C
Rain116 mm
Wet days7.6

Comfort score 66 this month (August leads the year at 87). Daylight is calculated as 12 h 27 from latitude 44.27°. Open-water sea temperature is 14.0°C (41 km from the place centre).

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4982172
NOAA station
USC00179593 · W ROCKPORT 1 NNW
Station distance
19.8 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.