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.
Boulder City Weather in September
Boulder City in September averages 35°C (95°F) during the day and 22°C (72°F) at night. Minimal rainfall is typical for this time of year.
Rainfall in Boulder City in September
Rain is expected on roughly 3 days, totalling around 9.6 mm (0.4 in) for the month. Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in Boulder City in September
Expect highs of 35°C (95°F) in Boulder City in September, with nights dropping to around 22°C (72°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Boulder City in September
There are approximately 345 hours of sunshine this month, resulting in mostly clear days.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Boulder City. Our weather planner can help you explore destinations with more pleasant weather conditions.
Boulder City Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
35°C (95°F)
Chance of Rain
9%
Precipitation
9.6 mm (0.4 in)
Rainy days
3 days
Humidity
25% *
Sunshine
345 hours *
Percentage Sunshine
91% *
* Data from: Las Vegas, the United States of America (32 KM, 20 Miles).
Boulder City Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Boulder City - 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 Boulder City in September
Pack for serious heat in Boulder City in September. Prioritize clothing that breathes and doesn't cling or stick. Lightweight cotton, linen, and moisture-wicking fabrics are ideal. A wide hat provides welcome shade. Dry conditions mean you won't need to worry about rain protection. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Boulder City in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Boulder City 3-Day Forecast
More climate data for Boulder City
Temperature Rainfall Sunshine Humidity
See the full Boulder City 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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