Mettawa Weather in September

With daytime temperatures of 24°C (75°F) and nighttime lows of 13°C (55°F), September in Mettawa brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 94 mm (3.7 in) falls on average.

Rainfall in Mettawa in September

Records from the past 30 years suggest around 10 days of rain, with 94 mm (3.7 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Mettawa in September

Mettawa has excellent weather in September, with days reaching 24°C (75°F) and nights cooling to 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Mettawa in September

Enjoy a sunny month with about 226 hours of sunshine, the clear skies make Mettawa even more beautiful.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Mettawa's climate page.

Mettawa Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 33%  

Precipitation 94 mm (3.7 in)  

Rainy days 10 days  

Humidity 71% *  

Sunshine 226 hours *  

Percentage Sunshine 60% *  

* Data from: Chicago, the United States of America (27 KM, 17 Miles).

What to Wear in Mettawa in September

For Mettawa 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Mettawa in September

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

Swimming

9/10

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 Mettawa's climate page.

More climate data for Mettawa

Temperature Rainfall Sunshine Humidity

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