Oak Park Weather in September

During September, Oak Park experiences high daytime temperatures of 25°C (77°F) and cooler nights around 15°C (59°F). Expect quite a bit of rainfall. Around 88 mm (3.5 in) is typical.

Rainfall in Oak Park in September

Records from the past 30 years suggest around 9 days of rain, with 88 mm (3.5 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Oak Park in September

Oak Park in September is worth a visit. The temperature is excellent, with 25°C (77°F) during the day and 15°C (59°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Oak Park in September

The city usually sees around 226 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in Oak Park in September

In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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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 Oak Park's climate page.

Oak Park Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 30%  

Precipitation 88 mm (3.5 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 (14 KM, 9 Miles).

What to Wear in Oak Park in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Oak Park 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 Oak Park's climate page.

More climate data for Oak Park

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Oak Park climate overview or explore weather in the United States of America.