Oakbrook Terrace Weather in September

Oakbrook Terrace in September sees high temperatures, with highs around 25°C (77°F) and overnight lows of 13°C (55°F). Rainfall is fairly high at around 89 mm (3.5 in) on average, so pack waterproofs just in case.

Rainfall in Oakbrook Terrace in September

Historically, the month has about 9 days of rain, averaging 89 mm (3.5 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Oakbrook Terrace in September

The excellent temperature in Oakbrook Terrace in September makes it a solid month to visit, with 25°C (77°F) during the day and 13°C (55°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Oakbrook Terrace 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 Oakbrook Terrace 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 favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Oakbrook Terrace.