Arlington Heights Weather in September

September is one of the perfect months to visit Arlington Heights, with daytime temperatures of 24°C (75°F) and lows of 13°C (55°F) at night. Do note that quite a bit of rainfall is typical, averaging around 97 mm (3.8 in).

Rainfall in Arlington Heights in September

Typically, about 9 days will experience rainfall, with an average of 97 mm (3.8 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Arlington Heights in September

September in Arlington Heights is generally perfect, with days reaching 24°C (75°F) and nights settling around 13°C (55°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 13°C (55°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Arlington Heights in September

Expect a lot of sunshine this month, with about 226 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Arlington Heights in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Arlington Heights.

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Check the conditions for any month of the year.

• January
• February
• March
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• October
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For a detailed overview over the year and the best time to visit the United States of America, check out our Arlington Heights's climate page.

Arlington Heights Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 30%  

Precipitation 97 mm (3.8 in)  

Rainy days 9 days  

Humidity 71% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 226 hours *  

Percentage Sunshine 60% *  

* Data from: Chicago, the United States of America (12 KM, 7 Miles).

What to Wear in Arlington Heights in September

For Arlington Heights in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Arlington Heights in September

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

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 Arlington Heights's climate page.

More climate data for Arlington Heights

Temperature Rainfall Sunshine Humidity Wind Speed

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