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.
Crystal Lake Weather in September
September in Crystal Lake sees daytime temperatures around 23°C (73°F) and lows of 11°C (52°F) at night. With around 78 mm (3.1 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Crystal Lake in September
You can expect rain on around 10 days based on historical patterns, with 78 mm (3.1 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Crystal Lake in September
September is one of the better months to visit Crystal Lake. Expect 23°C (73°F) during the day and 11°C (52°F) at night. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 11°C (52°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 Crystal Lake in September
With approximately 226 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Crystal Lake Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
23°C (73°F)
Chance of Rain
33%
Precipitation
78 mm (3.1 in)
Rainy days
10 days
Humidity
71% *
Sunshine
226 hours *
Percentage Sunshine
60% *
* Data from: Chicago, the United States of America (44 KM, 27 Miles).
Crystal Lake Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Crystal 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 Crystal Lake in September
For Crystal 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Crystal 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 -
Camping8/10 -
Outdoor sports9/10
Crystal Lake 3-Day Forecast
More climate data for Crystal Lake
Temperature Rainfall Sunshine Humidity
See the full Crystal 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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