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.
Frederick Weather in September
September in Frederick sees daytime temperatures around 27°C (81°F) and lows of 14°C (57°F) at night. With around 113 mm (4.4 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Frederick in September
Rain is expected on roughly 10 days, totalling around 113 mm (4.4 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Frederick in September
In September, Frederick gets high temperatures, with highs of 27°C (81°F). Nights cool to 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.
Sunshine in Frederick in September
The city usually sees around 225 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Frederick.
Frederick Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
27°C (81°F)
Chance of Rain
34%
Precipitation
113 mm (4.4 in)
Rainy days
10 days
Humidity
68% *
Sunshine
225 hours *
Percentage Sunshine
60% *
* Data from: Washington DC, the United States of America (70 KM, 43 Miles).
Frederick Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Frederick - 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 Frederick in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Frederick 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
Frederick 3-Day Forecast
More climate data for Frederick
Temperature Rainfall Sunshine Humidity
See the full Frederick 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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