When to go
Chicago · September 2026
Pleasantly warm in Chicago: 28° / 19° on average, 8h sun a day.
1
Tue 1 Sept
—
Comfortable
1
Wed 2 Sept
—
Comfortable
1
Thu 3 Sept
—
Comfortable
1
Fri 4 Sept
—
Busy
1
Sat 5 Sept
—
Busy
1
Sun 6 Sept
—
Busy
1
Mon 7 Sept
—
Comfortable
1
Tue 8 Sept
—
Comfortable
1
Wed 9 Sept
—
Comfortable
1
Thu 10 Sept
—
Comfortable
1
Fri 11 Sept
—
Busy
1
Sat 12 Sept
—
Busy
1
Sun 13 Sept
—
Busy
1
Mon 14 Sept
—
Comfortable
1
Tue 15 Sept
—
Comfortable
1
Wed 16 Sept
—
Comfortable
1
Thu 17 Sept
—
Comfortable
1
Fri 18 Sept
—
Busy
1
Sat 19 Sept
—
Busy
1
Sun 20 Sept
—
Busy
1
Mon 21 Sept
—
Comfortable
1
Tue 22 Sept
—
Comfortable
1
Wed 23 Sept
—
Comfortable
1
Thu 24 Sept
—
Comfortable
1
Fri 25 Sept
—
Busy
1
Sat 26 Sept
—
Busy
1
Sun 27 Sept
21°
Comfortable
1
Mon 28 Sept
20°
Comfortable
1
Tue 29 Sept
25°
Comfortable
1
Wed 30 Sept
29°
Comfortable
Highlights this month
Best days for…
Typical month
Temp avg high / low28° / 19°
Rainy days3
Sunshine per day8 h
Sea temp23°
30-year climate normals — actual conditions vary.