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.
Decatur Weather in September
September in Decatur sees daytime temperatures around 26°C (79°F) and lows of 14°C (57°F) at night. With around 91 mm (3.6 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Decatur in September
Historically, approximately 9 days this month are expected to have rain, averaging 91 mm (3.6 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Decatur in September
September is a good time to be in Decatur. Days are excellent, reaching 26°C (79°F), with nights around 14°C (57°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Decatur in September
The month enjoys around 248 hours of sunshine, creating mostly sunny days with good weather conditions.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Decatur.
Decatur Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
30%
Precipitation
91 mm (3.6 in)
Rainy days
9 days
Humidity
72% *
Sunshine
248 hours *
Percentage Sunshine
66% *
* Data from: Springfield, the United States of America (59 KM, 36 Miles).
Decatur Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Decatur - 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 Decatur in September
Warm but pleasant conditions in Decatur 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Decatur in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Decatur 3-Day Forecast
More climate data for Decatur
Temperature Rainfall Sunshine Humidity
See the full Decatur 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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Yosemite National Park is definitely worth a visit
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