Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September heralds a minor drop in average high-temperature, sliding from August's warm 75.7°F (24.3°C) to an agreeable 69.3°F (20.7°C). Throughout September nights, a significant departure from daytime temperatures, with an average low of 43.7°F (6.5°C), is recognized.Humidity
In September, the average relative humidity is 44%.Rainfall
In Tahoe Vista, in September, it is raining for 1.8 days, with typically 0.2" (5mm) of accumulated precipitation. Throughout the year, there are 46.9 rainfall days, and 17.28" (439mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 65.4 snowfall days, and 93.39" (2372mm) of snow is accumulated.Daylight
In Tahoe Vista, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:29 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm PDT.
Sunshine
In Tahoe Vista, the average sunshine in September is 11.2h.UV index
In Tahoe Vista, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 3 during September leads to these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When does it start snowing?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Tahoe Vista have in September?
How high is the UV index in September?
Average temperature in September
Tahoe Vista, CA
- Average high temperature in September: 69.3°F
The warmest month (with the highest average high temperature) is July (76.5°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in September: 43.7°F
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in September
Tahoe Vista, CA
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Tahoe Vista, CA
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Tahoe Vista, CA
- Average humidity in September: 44%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is August (39%).
Average rainfall in September
Tahoe Vista, CA
- Average rainfall in September: 0.2"
The wettest month (with the highest rainfall) is February (3.35").
The driest months (with the least rainfall) are June and August (0.12").
Average rainfall days in September
Tahoe Vista, CA
- Average rainfall days in September: 1.8 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is September (1.8 days).
Average snowfall in September
Tahoe Vista, CA
- Average snowfall in September: 0.08"
The month with the highest snowfall is March (20.63").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Tahoe Vista, CA
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is March (13.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Tahoe Vista, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Tahoe Vista, CA
- Average sunshine days in September: 28 days
The month with the most sunshine days is September (28 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in September
Tahoe Vista, CA
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Tahoe Vista, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in September
Tahoe Vista, CA
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Tahoe Vista, California, USA
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