Washington DC weather in September
Warm and pleasant, with some rainy days. Average highs of 26°C and lows of 17°C, with around 10 rainy days expected throughout the month.
✦ This is a recommended month to visit Washington DC. The combination of weather, atmosphere and experience is at its best.
Average high
26°C
Average low
17°C
Rainy days
10 days
Best months to visit
May, September
What to do in Washington DC in September
Whatever the weather, Washington DC rewards curious visitors. Here are some of the best ways to spend your time:
Explore
Dine
Culture
Nature
Shopping
Day trips
What to pack for September
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
6C
Cold, with occasional showers.
February
9C
Cold, with some rainy days.
March
13C
Cool, with some rainy days.
April
19C
Mild and comfortable, with some rainy days.
Recommended
May
24C
Mild and comfortable, with some rainy days.
June
29C
Warm and pleasant, with some rainy days.
July
31C
Hot and humid, with some rainy days.
August
30C
Hot and humid, with some rainy days.
Recommended
September (you are here)
26C
Warm and pleasant, with some rainy days.
October
20C
Mild and comfortable, with occasional showers.
November
13C
Cool, with occasional showers.
December
9C
Cold, with occasional showers.
Book your September trip to Washington DC
Find hotels, tours and experiences for the perfect escape.
