Portsmouth Heights Weather in September

What's the weather like in Portsmouth Heights (Virginia) in September 2025?

The climate in Portsmouth Heights during September can be summarized as warm, humid and damp.

September is in the fall / autumn in Portsmouth Heights and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 17°C (63°F) is normal.

Portsmouth Heights weather averages (imperial / metric)
Daytime temperature 26.9°C 80.3°F
Nightly temperature 17.4°C 63.2°F
Average temperature 22.1°C 71.8°F
Daily sunshine 8.3 hrs
Avg rainfall 100 mm 4 ins
Rainy days 8 days
Sea temperature 24.1°C 75.4°F
Humidity 75%
Windspeed 14.8kph 9 mph

On average September is the 3rd wettest month of the year in Portsmouth Heights with around 100mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

September temperatures in Portsmouth Heights

Portsmouth Heights average temperature in September

September rainfall

Portsmouth Heights average rain in September

September hourly sunshine

Portsmouth Heights average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Portsmouth Heights in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Portsmouth Heights weather stats

Portsmouth Heights weather statistics
Hottest month: July 30.4°C 86.7°F
Driest month: November 71mm 2.8ins
Sunniest month: April 9.1hrs
Coldest month: January 8.9°C 48°F
Wettest month: July 127mm 5ins
Map showing location of Portsmouth Heights (36.82098, -76.36883) Portsmouth Heights map pin © Google

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