Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Mattoon Weather in September
September in Mattoon brings high temperatures, with daytime highs of 26°C (79°F) and nights around 14°C (57°F). Quite a bit of rainfall is expected, around 82 mm (3.2 in), so pack an umbrella.
Rainfall in Mattoon in September
Looking at the last 30 years, the data shows about 9 days with rain, averaging 82 mm (3.2 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Mattoon in September
Weather in Mattoon is at its excellent in September. Highs reach 26°C (79°F), while nights settle around 14°C (57°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 14°C (57°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.Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Mattoon.
Mattoon Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
30%
Precipitation
82 mm (3.2 in)
Rainy days
9 days
Mattoon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mattoon - 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 Mattoon in September
Warm but pleasant conditions in Mattoon 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 Mattoon in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Mattoon 3-Day Forecast
More climate data for Mattoon
See the full Mattoon climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
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