September weather forecastHannchen, CA
September
Weather in September
September, the first month of the autumn in Hannchen, is still a warm month, with an average temperature fluctuating between 74.1°F (23.4°C) and 44.1°F (6.7°C).Temperature
As August makes way for September, Hannchen's average high-temperature eases from 82.8°F (28.2°C) to a still warm 74.1°F (23.4°C). A noticeable temperature swing characterizes Hannchen's September nights, dipping to an average of 44.1°F (6.7°C).Humidity
In September, the average relative humidity in Hannchen is 51%.Rainfall
In September, the rain falls for 4 days. Throughout September, 0.39" (10mm) of precipitation is accumulated. Throughout the year, in Hannchen, there are 97.4 rainfall days, and 12.01" (305mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Hannchen. Throughout September, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Hannchen, during the entire year, snow falls for 64.6 days and aggregates up to 38.31" (973mm) of snow.Daylight
In Hannchen, the average length of the day in September is 12h and 28min.On the first day of September in Hannchen, California, sunrise is at 6:32 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:48 pm PDT.
Sunshine
In Hannchen, the average sunshine in September is 11.1h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hannchen, CA
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).
- Average low temperature in September: 44.1°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (25°F).
Average pressure in September
Hannchen, CA
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June, July and August (29.96"Hg).
Average wind speed in September
Hannchen, CA
- Average wind speed in September: 5.1mph
The windiest month (with the highest average wind speed) is March (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Hannchen, CA
- Average humidity in September: 51%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (47%).
Average rainfall in September
Hannchen, CA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is December (1.97").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Hannchen, CA
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (3.1 days).
Average snowfall in September
Hannchen, CA
- Average snowfall in September: 0.08"
The month with the highest snowfall is December (9.57").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Hannchen, CA
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (13.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Hannchen, CA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 11h and 6min
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 24min).
Average sunshine days in September
Hannchen, CA
- Average sunshine days in September: 24.8 days
The month with the most sunshine days is August (25.7 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in September
Hannchen, CA
- Average UV index in September: 4
The month with the highest UV index is 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
Hannchen, CA
- Average cloud cover in September: 14
The months with the most cloud cover are March and December (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Hannchen, CA
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
