Capital Hill Weather in September

September is one of the perfect months to visit Capital Hill, with daytime temperatures of 33°C (91°F) and lows of 10°C (50°F) at night. It is also the driest month of the year.

Rainfall in Capital Hill in September

Enjoy minimal rain interruptions this month. It's an excellent time for outdoor plans, from sports to festivals. The climate data from previous years indicates about 0 days of rain, averaging 0.3 mm (0.01 in) for the month.

Temperature in Capital Hill in September

Capital Hill has perfect weather in September, with days reaching 33°C (91°F) and nights cooling to 10°C (50°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Capital Hill in September

The city usually sees around 270 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you prefer enjoying temperate temperatures and rain-free days, March, April, May, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Capital Hill's climate page.

Capital Hill Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 33°C (91°F)  

Chance of Rain 0%  

Precipitation 0.3 mm (0.01 in)  

Rainy days 0 days  

Sunshine 270 hours *  

Percentage Sunshine *  

What to Wear in Capital Hill in September

Warm but pleasant conditions in Capital Hill in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Capital Hill in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Capital Hill's climate page.

More climate data for Capital Hill

Temperature Rainfall Sunshine

See the full Capital Hill climate overview or explore weather in the United States of America.