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.
Clear Lake Weather in September
Clear Lake in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 10°C (50°F). Rainfall is fairly high at around 75 mm (3 in) on average, so pack waterproofs just in case.
Rainfall in Clear Lake in September
You can expect rain on around 9 days based on historical patterns, with 75 mm (3 in) average for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Clear Lake in September
If you're visiting Clear Lake in September, expect excellent temperatures with highs of 23°C (73°F) and overnight lows of 10°C (50°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Clear Lake in September
The city usually sees around 240 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Clear Lake.
Clear Lake Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
23°C (73°F)
Chance of Rain
30%
Precipitation
75 mm (3 in)
Rainy days
9 days
Sunshine
240 hours *
Percentage Sunshine
*
* Data from: Albert Lea, the United States of America (56 KM, 35 Miles).
Clear Lake Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Clear Lake - 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 Clear Lake in September
For Clear Lake in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Clear Lake in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping4/10 -
Outdoor sports9/10
Clear Lake 3-Day Forecast
More climate data for Clear Lake
See the full Clear Lake 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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