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.
Grain Valley Weather in September
September in Grain Valley typically sees daytime highs of 26°C (79°F) and nighttime lows of 14°C (57°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Grain Valley in September
Records from the past 30 years suggest around 9 days of rain, with 106 mm (4.2 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Grain Valley in September
September in Grain Valley brings typical temperatures with highs around 26°C (79°F) and lows of 14°C (57°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Grain Valley in September
The days are predominantly sunny, with an estimated total of around 238 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.Our weather planner can help you find worldwide destinations with pleasant weather during this period. October typically offers the best weather for Grain Valley.
Grain Valley Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
26°C (79°F)
Chance of Rain
31%
Precipitation
106 mm (4.2 in)
Rainy days
9 days
Humidity
69% *
Sunshine
238 hours *
Percentage Sunshine
63% *
* Data from: Kansas City, the United States of America (32 KM, 20 Miles).
Grain Valley Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grain Valley - 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 Grain Valley in September
Warm but pleasant conditions in Grain Valley 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 Grain Valley 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 -
Camping6/10 -
Outdoor sports7/10
Grain Valley 3-Day Forecast
More climate data for Grain Valley
Temperature Rainfall Sunshine Humidity
See the full Grain Valley 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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Need travel inspiration? Check out our bucket list articles and be inspired.
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