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.