September Weather in Dulles Town Center

Last updated: March 2, 2024

The weather in Dulles Town Center, United States, during September is characterized by an average temperature of 22°C (71°F). Highs can soar to 33°C (92°F), while lows may dip to 9°C (49°F). Typically, the humidity level in Dulles Town Center throughout September hovers around 68%.

9°C (49°F)

Minimum temperature

22°C (71°F)

Average temperature

33°C (92°F)

Maximum temperature

68%

Humidity

Precipitation and Sunshine hours

In September, Dulles Town Center averages 102 mm (4.0 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 23 minutes of daylight, with the sun shining for approximately 9 hours 8 minutes each day. Additionally, there is a 54% probability of sunny days during this period.

102 mm (4.0 inches)

Precipitation

11 rainy days

Rainy days

9 hours 8 minutes

Sunshine hours

54%

Chance of sun

UV Index

In September, the UV Index in Dulles Town Center reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 1 1 2 4 6 8 8 8 6 4 2 1 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare Dulles Town Center's Climate with Cities Worldwide