District of Columbia Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in District of Columbia, the United States of America in September.

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Washington

Planning a trip to District of Columbia, the United States of America this September? Here's what you need to know about the weather:

What to Expect in District of Columbia in September

District of Columbia, the United States of America is a region in the United States of America. September in District of Columbia generally has warm temperatures, with moderate precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 27°C (81°F) and nighttime temperatures around 17°C (63°F) in Washington.

To explore the conditions in District of Columbia, the United States of America in more detail, check the map below.

Precipitation

September is a moderate rainy month with an average rainfall of around 94 mm (3.7 in) in Washington.

Average sunshine

Several destinations enjoy plenty of sunshine this month. Washington sees close to 225 hours of sunlight, making it great for sun lovers.

Explore District of Columbia by month

Pick a month to see the average temperature, rainfall and sunshine in District of Columbia - and find the best time to visit. (based on Washington)

January6°C (43°F) February7°C (45°F) March13°C (55°F) April20°C (68°F) May24°C (75°F) June29°C (84°F) This monthJuly32°C (90°F) August31°C (88°F) September27°C (81°F) October20°C (68°F) November14°C (57°F) December10°C (50°F)
Best Time to Visit District of Columbia →

Best Places to Visit in District of Columbia in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across District of Columbia.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in District of Columbia

What is the weather like in September for the most popular destinonation in District of Columbia, the United States of America?

Washington

In September Washington generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

« August
September
October »
August
September
October
Max temperature
31°C (88°F)
27°C (81°F)
20°C (68°F)
Min temperature
20°C (68°F)
17°C (63°F)
10°C (50°F)
Monthly sun hours
262 hours
225 hours
205 hours
Monthly rainfall
82 mm (3.2 in)
94 mm (3.7 in)
128 mm (5 in)
Monthly rainy days
11 days
9 days
11 days
Weather conditions
very good
excellent
very good
Climate in Washington →

Is your destination not in the list? Have a look at all destinations in District of Columbia, in the United States of America.

District of Columbia weather in September: frequently asked questions

What is the weather like in District of Columbia, the United States of America in September?

Expect excellent weather across District of Columbia, the United States of America in September. The popular destination of Washington averages 27°C (81°F) by day and 17°C (63°F) at night during this month.

What is the average temperature in District of Columbia, the United States of America in September?

Average temperatures in District of Columbia, the United States of America during September range from a nighttime low near 17°C (63°F) to a daytime high around 27°C (81°F) in Washington.

Does District of Columbia, the United States of America get a lot of rain in September?

September is on the drier side in District of Columbia, the United States of America. Washington averages only about 94 mm (3.7 in), with most days staying dry.

Is September a Good Time to Visit District of Columbia, the United States of America?

We believe that September is one of the best times to visit District of Columbia, the United States of America with overall excellent weather in Washington. However, the weather conditions may vary depending on your destination.

Generally speaking, April and September provide excellent weather in Washington. In contrast, January, February and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in District of Columbia.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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