College Park
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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 excellent 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.

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).

College Park Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in College Park - 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 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

College Park 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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