Arlington weather in September (Virginia, United States of America)

What can you expect from the weather in Arlington during September? This guide provides all the details you need.

In September, Arlington typically experiences high temperatures and high rainfall. Throughout the daytime, temperatures often hover around 27°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 17°C.

Arlington in September usually receives high rainfall, averaging around 106 mm for the month. When we look at the climate data from the last 30 years, we can expect around 9 days of rain.

The city usually sees around 225 hours of sunlight, indicating many sunny days.

In case you lean more towards enjoying temperate temperatures and rain-free days April typically offers the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Arlington climate page with graphs.

 

Arlington, monthly averages in September

Min TemperatureMin Temperature 17°C  
Max TemperatureMax Temperature 27°C  
Chance of RainChance of Rain 30%  
PrecipitationPrecipitation 106 mm  
Rainy daysRainy days 9 days  
HumidityHumidity 68% *  
WindspeedWindspeed 14 km/h *  
SunshineSunshine 225 hours *  
Percentage SunshinePercentage Sunshine 60% *  
* Data from: Washington DC, the United States of America (6 KM, 3 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Arlington in September?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Arlington.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.