Washington DC in September
Warm and damp, as the days shorten.
September in Washington DC is warm: highs near 83°F, lows near 64°F. Rain falls on about two days a week, and the days shorten by 55 minutes from the first week to the last.September in Washington DC is warm: highs near 28°C, lows near 18°C. Rain falls on about two days a week, and the days shorten by 55 minutes from the first week to the last.
- High
- 83°F28°Caverage
- Low
- 64°F18°Caverage
- Wet days
- 2a week · 30% of days
- Daylight
- 12h 22mon average
Is September a good time to visit Washington DC?
A good month, just outside Washington DC's best months, which run in two parts: May, or October.
How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.
How September sits in the year
week by weekTemperature
Highs near 83°F in September, against 47°F to 91°F through the year.Highs near 28°C in September, against 8°C to 33°C through the year.
Chance of a wet day
30% of days in September, against 26% to 40% through the year.
Cloud cover
40% cover in September, against 36% to 55% through the year.
Daylight
12h 22m in September, against 9h 29m to 14h 51m through the year.
Either side
Where Washington DC sits, in September
America/New York- this place
- typical high in September 40°F4°C95°F35°C
- Sunrise, mid-September
- 6:48 AMsets 7:19 PM
- Above the sea
- 0 mlow-lying
- Latitude
- 38.9°Nnorthern hemisphere
- Nearest of ours
- New York328 km north-east
The land around Washington DC, shaded by its typical high in September, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.