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.
Rocky Grove Weather in September
September in Rocky Grove brings high temperatures around 25°C (77°F) during the day, dropping to 13°C (55°F) at night, with quite a bit of rainfall expected, averaging around 114 mm (4.5 in) for the month.
Rainfall in Rocky Grove in September
Records from the past 30 years suggest around 13 days of rain, with 114 mm (4.5 in) average 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 Rocky Grove in September
Temperatures in Rocky Grove in September top out at 25°C (77°F) and drop to 13°C (55°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Rocky Grove in September
Expect a lot of sunshine this month, with about 233 hours of sun. These sunny conditions add to the overall experience.Our weather planner can help you find worldwide destinations with pleasant weather during this period. October typically offers the best weather for Rocky Grove.
Rocky Grove Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
25°C (77°F)
Chance of Rain
42%
Precipitation
114 mm (4.5 in)
Rainy days
13 days
Humidity
76% *
Sunshine
233 hours *
Percentage Sunshine
62% *
* Data from: Knoxville, the United States of America (60 KM, 37 Miles).
Rocky Grove Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rocky Grove - 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 Rocky Grove in September
Warm but pleasant conditions in Rocky Grove 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 Rocky Grove 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
Rocky Grove 3-Day Forecast
More climate data for Rocky Grove
Temperature Rainfall Sunshine Humidity
See the full Rocky Grove 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.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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