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
A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 82.4°F (28°C) in August to a still warm 76.6°F (24.8°C). The average low-temperature reading in September for Emigrant Gap reflects a significant fall from the daytime highs, stabilizing at a frosty 48°F (8.9°C).Humidity
In September, the average relative humidity in Emigrant Gap, California, is 44%.Rainfall
In Emigrant Gap, in September, during 3.8 rainfall days, 0.47" (12mm) of precipitation is typically accumulated. Throughout the year, in Emigrant Gap, California, there are 72.9 rainfall days, and 36.06" (916mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Emigrant Gap, California. September is the first month it typically snows in Emigrant Gap. Throughout September, in the average 0.2 snowfall days, it receives 0.35" (9mm) of snow. In Emigrant Gap, during the entire year, snow falls for 53.3 days and aggregates up to 151.57" (3850mm) of snow.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:46 pm PDT.
Sunshine
In Emigrant Gap, California, the average sunshine in September is 11.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 in September translates into these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Emigrant Gap in September?
What is the average humidity in September in Emigrant Gap?
How much does it rain in Emigrant Gap in September?
When does it start snowing in Emigrant Gap?
What is the average length of the day in September in Emigrant Gap?
When is the sunrise / sunset in September in Emigrant Gap?
How many hours of sunshine does Emigrant Gap have in September?
What is the UV index reading in September in Emigrant Gap?
Average temperature in September
Emigrant Gap, CA
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in September: 48°F
The month with the highest average low temperature is July (52.9°F).
The coldest month (with the lowest average low temperature) is December (29.1°F).
Average pressure in September
Emigrant Gap, 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 (29.9"Hg).
Average wind speed in September
Emigrant Gap, 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 (5.1mph).
Average humidity in September
Emigrant Gap, CA
- Average humidity in September: 44%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is July (39%).
Average rainfall in September
Emigrant Gap, CA
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is March (7.09").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in September
Emigrant Gap, CA
- Average rainfall days in September: 3.8 days
The month with the highest number of rainy days is April (11 days).
The month with the least rainy days is July (1.8 days).
Average snowfall in September
Emigrant Gap, CA
- Average snowfall in September: 0.35"
The month with the highest snowfall is March (37.6").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Emigrant Gap, CA
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is March (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Emigrant Gap, 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 January (Average sunshine: 5h and 36min).
Average sunshine days in September
Emigrant Gap, CA
- Average sunshine days in September: 25.7 days
The month with the most sunshine days is July (28 days).
The month with the least sunshine days is March (12.6 days).
Average UV index in September
Emigrant Gap, 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 January, February, March, November and December (UV index 2).
Average cloud cover in September
Emigrant Gap, CA
- Average cloud cover in September: 9
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Emigrant Gap, CA
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March and April (5mi).
Emigrant Gap, California, USA
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