Mount Vernon Weather in September
Mount Vernon in September sees high daytime temperatures of 26°C (79°F) and nighttime lows of 14°C (57°F). Rainfall is fairly high this month at around 96 mm (3.8 in), so pack a rain jacket to stay dry.
Rainfall in Mount Vernon in September
Typically around 10 days of rainfall are expected, averaging 96 mm (3.8 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Mount Vernon in September
September is a perfect month in Mount Vernon, with 26°C (79°F) during the day and 14°C (57°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. August, September and October typically offer the best weather for Mount Vernon.
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 Mount Vernon's climate page.
Mount Vernon Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
33%
Precipitation
96 mm (3.8 in)
Rainy days
10 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 Mount Vernon in September
Warm but pleasant conditions in Mount Vernon in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Mount Vernon 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 Mount Vernon's climate page.
See the full Mount Vernon climate overview or explore weather in the United States of America.
