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Washington weather in September 2021
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- 26°C max day temperature
26
- 7 hours of sunshine per day
- 7 days with some rainfall
7
- 15°C min night temperature
15
- 12 hours of daylight per day
12
- Low heat & humidity
L
- 87 mm of monthly rainfall
87
- 7 (High) UV index
7
Recommended for D.C.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
The September weather guide for Washington, D.C. 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.
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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.
Metric (°C / mm) | Imperial (°F / inches)
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Washington sunrise & sunset times for September 2021
Browse the sunrise & sunset times for Washington in September 2021. Select a month to view Washington sunrise & sunset times for the next twelve months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Wednesday, 1st September 2021 | 06:37 | 19:38 |
Wednesday, 15th September 2021 | 06:50 | 19:16 |
Thursday, 30th September 2021 | 07:03 | 18:52 |
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