United States · 1991–2020 normal
Washington in
September.
Typical September weather in Washington: 25.5°C by day, 11.3°C at night, 92 mm of rain over 6.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high25.5°C
Typical low11.3°C
Rain92 mm
Wet days6.7
Comfort score 77 this month, the highest of the year. Daylight is calculated as 12 h 25 from latitude 41.30°.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 4880731
- NOAA station
- USC00138688 · WASHINGTON
- Station distance
- 2.2 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.
From evidence to a booked trip
Know the month.
Then plan the trip.
The climate answer for Washington is independent of commercial relationships. We are building a separately labelled route to approved flight, stay and activity partners; no private inventory or unapproved affiliate feed is used today.
How travel partnerships will work