Typical Weather

Weather in Arlington Heights in September

How warm is it in Arlington Heights in September?

In September the typical daytime high in Arlington Heights is 24.6 °C on average, from 26.9 °C at the start to 21.6 °C at the end of the month.

That is 3.3 °C cooler than in August and 7.4 °C warmer than in October.

The last 10 years were 2.2 °C warmer than more than 40 years ago.

Click a day for more: afternoon and night, the usual range, records and how fast it is warming.

The average of the weather stations Rock Is L&D (223 km), Green Bay (268 km) and Cedar Rapids (298 km); nearer ones count more.