Williamsburg Weather in September

September in Williamsburg brings high temperatures, with highs of 28°C (82°F) and nights dropping to 18°C (64°F). It's the rainiest month of the year, so come prepared with waterproof gear.

Rainfall in Williamsburg in September

With this being the rainiest month, having an umbrella is essential to avoid unexpected rain. You can typically expect 9 days of rain this month, averaging around 144 mm (5.7 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Williamsburg in September

In September, expect high temperatures in Williamsburg, with highs of 28°C (82°F) and lows of 18°C (64°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Williamsburg in September

There are approximately 230 hours of sunshine this month, resulting in mostly clear days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, September and October typically offer the best weather for Williamsburg.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• 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 Williamsburg's climate page.

Williamsburg Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 31%  

Precipitation 144 mm (5.7 in)  

Rainy days 9 days  

Humidity 74% *  

Sunshine 230 hours *  

Percentage Sunshine 62% *  

* Data from: Hampton, the United States of America (41 KM, 25 Miles).

What to Wear in Williamsburg in September

Warm but pleasant conditions in Williamsburg 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 Williamsburg 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

6/10

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 Williamsburg's climate page.

More climate data for Williamsburg

Temperature Rainfall Sunshine Humidity

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