Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Ashburn Weather in September
September in Ashburn sees daytime temperatures around 30°C (86°F) and lows of 19°C (66°F) at night. With around 74 mm (2.9 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Ashburn in September
Looking at the last 30 years, the data shows about 10 days with rain, averaging 74 mm (2.9 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Ashburn in September
In September, Ashburn gets very high temperatures, with highs of 30°C (86°F). Nights cool to around 19°C (66°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows of 19°C (66°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.If you prefer dry days with pleasant temperatures, March, 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.
Ashburn Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
30°C (86°F)
Chance of Rain
33%
Precipitation
74 mm (2.9 in)
Rainy days
10 days
Ashburn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ashburn - and find the best time to visit.
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
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).
What to Wear in Ashburn in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days.
What To Do in Ashburn in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Ashburn 3-Day Forecast
More climate data for Ashburn
See the full Ashburn climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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