Washington weather in September 2022

  • 26°C maximum daytime temperature in September in Washington26
    26°C max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in September in Washington7
    7 days with some rainfall
  • 15°C minimum night-time temperature in September in Washington15
    15°C min night temperature
  • 12 hours of daylight per day in September in Washington12
    12 hours of daylight per day
  • Low heat & humidity in September in WashingtonL
    Low heat & humidity
  • 87 mm monthly rainfall in September in Washington87
    87 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Washington7
    7 (High) UV index
  • Save 30% on Covid-19 Fit to Fly test & travel certificate
  • Home Covid-19 PCR test with free express delivery
  • Receive online results within 24-72 hours once test at lab
Show discount codeShow discount code ******VEL

Expires at 23:59 on Friday 31st Dec 2021 · View all LetsGetChecked offers

Recommended for D.C.

The September weather guide for D.C., represented by Washington, (Washington) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

  • Top deals & discounts
  • Washington weather overview
  • Washington climate averages by month
  • More destinations
  • Best time to go to Washington
  • Washington 5-day weather forecast

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

How hot is it in Washington in September?

Daytime temperatures usually reach 26°C in Washington in September with low heat and humidity, falling to 15°C at night.

How sunny is it in Washington in September?

There are normally 7 hours of bright sunshine each day in Washington in September - that's 60% of daylight hours.

Does it rain in Washington in September?

There are usually 7 days with some rain in Washington in September and the average monthly rainfall is 87mm.

What is the chance of a hurricane in Washington in September?

On average less than 1 day in September in Washington is likely to be affected by the passage of one or more tropical storms.

Washington September sunrise & sunset times

Browse the sunrise and sunset times for Washington in September 2022. Select a month to view Washington sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st September 2022 06:37 19:38
Thursday, 15th September 2022 06:50 19:16
Friday, 30th September 2022 07:03 18:52

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.