United States · 1991–2020 normal
Washington in
September.
Typical September weather in Washington: 27.9°C by day, 18.8°C at night, 172 mm of rain over 7.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high27.9°C
Typical low18.8°C
Rain172 mm
Wet days7.7
Comfort score 57 this month (October leads the year at 82). Daylight is calculated as 12 h 21 from latitude 35.55°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4497666
- NOAA station
- USC00319100 · WASHINGTON WWTP 4W
- Station distance
- 1.9 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.