Monticello Weather in September

September in Monticello sees daytime temperatures around 22°C (72°F) and lows of 10°C (50°F) at night. With around 81 mm (3.2 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Monticello in September

The climate data from previous years indicates about 11 days of rain, averaging 81 mm (3.2 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Monticello in September

Monticello in September has perfect weather. Days reach 22°C (72°F) and nights cool to 10°C (50°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 10°C (50°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 Monticello in September

Enjoy a sunny month with about 232 hours of sunshine, the clear skies make Monticello 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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• January
• February
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• May
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• October
• November
• December

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

Monticello Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 36%  

Precipitation 81 mm (3.2 in)  

Rainy days 11 days  

Humidity 70% *  

Sunshine 232 hours *  

Percentage Sunshine 62% *  

* Data from: Minneapolis, the United States of America (65 KM, 40 Miles).

What to Wear in Monticello in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Monticello 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 Monticello's climate page.

More climate data for Monticello

Temperature Rainfall Sunshine Humidity

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