Lake Bluff Weather in September

During September, Lake Bluff experiences high daytime temperatures of 23°C (73°F) and cooler nights around 13°C (55°F). Expect quite a bit of rainfall. Around 98 mm (3.9 in) is typical.

Rainfall in Lake Bluff in September

Historically, September sees about 9 days of rain, with a monthly average of 98 mm (3.9 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Lake Bluff in September

Lake Bluff in September has perfect weather. Days reach 23°C (73°F) and nights cool to 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Lake Bluff in September

Expect sunny days throughout the month, with an estimated 226 hours of sunshine. This makes it a pleasant time to visit Lake Bluff.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Lake Bluff.

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• 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 Lake Bluff's climate page.

Lake Bluff Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 30%  

Precipitation 98 mm (3.9 in)  

Rainy days 9 days  

Humidity 71% *  

Sunshine 226 hours *  

Percentage Sunshine 60% *  

* Data from: Chicago, the United States of America (33 KM, 20 Miles).

What to Wear in Lake Bluff in September

For Lake Bluff in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Lake Bluff in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

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 Lake Bluff's climate page.

More climate data for Lake Bluff

Temperature Rainfall Sunshine Humidity

See the full Lake Bluff climate overview or explore weather in the United States of America.