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.