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 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, recording an average high temperature of 69.8°F (21°C) and a low temperature of 54.3°F (12.4°C), is Alderpoint's warmest month.Humidity
The least humid month in Alderpoint, California, is September, with an average relative humidity of 72%.Rainfall
In September, in Alderpoint, the rain falls for 3.5 days. Throughout September, 0.47" (12mm) of precipitation is accumulated. In Alderpoint, during the entire year, the rain falls for 102.7 days and collects up to 28.78" (731mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
In Alderpoint, the average length of the day in September is 12h and 26min.On the first day of September in Alderpoint, sunrise is at 6:42 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:57 pm PDT.
Sunshine
In September, the average sunshine is 10.4h.UV index
In Alderpoint, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are the warmest months in Alderpoint?
What are September temperatures in Alderpoint?
What is the least humid month in Alderpoint?
What is the average humidity in September in Alderpoint?
How many days does it rain in September in Alderpoint?
When it does not snow in Alderpoint?
What is the average length of the day in September in Alderpoint?
When is the sunrise / sunset in September in Alderpoint?
How many hours of sunshine does Alderpoint have in September?
How high is the UV index in September in Alderpoint?
Average temperature in September
Alderpoint, CA
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is September (69.8°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in September: 54.3°F
The months with the highest average low temperature are July, August and September (54.3°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in September
Alderpoint, CA
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.95"Hg).
Average wind speed in September
Alderpoint, CA
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and August (7.8mph).
Average humidity in September
Alderpoint, CA
- Average humidity in September: 72%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (72%).
Average rainfall in September
Alderpoint, CA
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in September
Alderpoint, CA
- Average rainfall days in September: 3.5 days
The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is August (1.8 days).
Average snowfall days in September
Alderpoint, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Alderpoint, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Alderpoint, CA
- Average sunshine days in September: 25.9 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.1 days).
Average UV index in September
Alderpoint, CA
- Average UV index in September: 4
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 3).
Average cloud cover in September
Alderpoint, CA
- Average cloud cover in September: 14
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in September
Alderpoint, CA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Alderpoint, California, USA
Weather forecast for your location
2. Allow the app to use your location
