Monticello Weather in September
Monticello in September sees very high daytime temperatures of 31°C (88°F) and nighttime lows of 18°C (64°F). Rainfall is fairly high this month at around 83 mm (3.3 in), so pack a rain jacket to stay dry.
Rainfall in Monticello in September
Typically, you can expect about 8 days of rain this month, with 83 mm (3.3 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Monticello in September
Temperatures in Monticello in September top out at 31°C (88°F) and drop to 18°C (64°F) overnight. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.For Monticello itself, April, May and October generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
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
18°C (64°F)
Max Temperature
31°C (88°F)
Chance of Rain
27%
Precipitation
83 mm (3.3 in)
Rainy days
8 days
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
What to Wear in Monticello in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Monticello in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
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.
See the full Monticello climate overview or explore weather in the United States of America.
