Monticello
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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 excellent 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.

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).

Monticello Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Monticello - and find the best time to visit.

Best Places in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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

Monticello 3-Day Forecast

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.