College Park Weather in September

September in College Park brings high temperatures, with highs of 27°C (81°F) and nights dropping to 16°C (61°F). Rainfall is on the higher side this month, averaging around 96 mm (3.8 in), so keep a rain jacket handy.

Rainfall in College Park in September

Historically, the month has about 9 days of rain, averaging 96 mm (3.8 in) in total. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in College Park in September

If you're visiting College Park in September, expect perfect temperatures with highs of 27°C (81°F) and overnight lows of 16°C (61°F). This kind of day-to-night contrast is typical for this time of year. At 16°C (61°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 College Park in September

Expect a lot of sunshine this month, with about 225 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in College Park in September

In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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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 College Park's climate page.

College Park Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 30%  

Precipitation 96 mm (3.8 in)  

Rainy days 9 days  

Humidity 68% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 225 hours *  

Percentage Sunshine 60% *  

* Data from: Washington DC, the United States of America (16 KM, 10 Miles).

What to Wear in College Park in September

Warm but pleasant conditions in College Park 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in College Park in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 College Park's climate page.

More climate data for College Park

Temperature Rainfall Sunshine Humidity Wind Speed

See the full College Park climate overview or explore weather in the United States of America.