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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a moderately hot 84.2°F (29°C) in August to a still warm 78.4°F (25.8°C). A dramatic downturn marks the September nights, with lows averaging at a fresh 50.9°F (10.5°C).Humidity
In September, the average relative humidity is 43%.Rainfall
In Kyburz, in September, during 3.4 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Kyburz, during the entire year, the rain falls for 73.6 days and collects up to 32.8" (833mm) of precipitation.Snowfall
In Kyburz, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:44 pm PDT.
Sunshine
The average sunshine in September is 11.2h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Kyburz, CA
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is December (47.3°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (55°F).
The coldest month (with the lowest average low temperature) is December (31.6°F).
Average pressure in September
Kyburz, CA
- Average pressure in September: 29.93"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Kyburz, CA
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Kyburz, CA
- Average humidity in September: 43%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is July (40%).
Average rainfall in September
Kyburz, CA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is March (6.54").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in September
Kyburz, CA
- Average rainfall days in September: 3.4 days
The month with the highest number of rainy days is March (11.8 days).
The month with the least rainy days is July (1.5 days).
Average snowfall in September
Kyburz, CA
- Average snowfall in September: 0"
The month with the highest snowfall is March (22.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Kyburz, CA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is March (6.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Kyburz, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
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 12min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Kyburz, CA
- Average sunshine days in September: 26.1 days
The month with the most sunshine days is July (28.9 days).
The month with the least sunshine days is March (14.5 days).
Average UV index in September
Kyburz, CA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in September
Kyburz, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Kyburz, CA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).
Kyburz, California, USA
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