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
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from 82.4°F (28°C) to a still moderately hot 74.1°F (23.4°C). Adin, after an intense day, registers a significant cooling to an average low-temperature of 47.3°F (8.5°C) throughout September.Humidity
In Adin, the average relative humidity in September is 39%.Rainfall
In September, the rain falls for 4.4 days. Throughout September, 0.35" (9mm) of precipitation is accumulated. In Adin, California, during the entire year, the rain falls for 85.8 days and collects up to 11.65" (296mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Adin. Throughout September, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 56.2 snowfall days, and 35.94" (913mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 27min.On the first day of the month, sunrise is at 6:31 am and sunset at 7:35 pm. On the last day of September, in Adin, sunrise is at 7:00 am and sunset at 6:46 pm PDT.
Sunshine
In Adin, the average sunshine in September is 11h.UV index
The average daily maximum UV index in September in Adin, California, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Adin?
What is the average humidity in September in Adin?
How many days does it rain in September in Adin?
When does it start snowing in Adin?
How many hours of daylight does Adin have in September?
What time are sunrise and sunset in September in Adin?
How many hours of sunshine does Adin have in September?
What is the UV index reading in September in Adin?
Average temperature in September
Adin, CA
- Average high temperature in September: 74.1°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in September: 47.3°F
The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in September
Adin, CA
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Adin, CA
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Adin, CA
- Average humidity in September: 39%
The months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).
Average rainfall in September
Adin, CA
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Adin, CA
- Average rainfall days in September: 4.4 days
The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is July (2.5 days).
Average snowfall in September
Adin, CA
- Average snowfall in September: 0.16"
The month with the highest snowfall is December (8.27").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Adin, CA
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (12.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Adin, CA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in September
Adin, CA
- Average sunshine days in September: 24.9 days
The months with the most sunshine days are July and August (26.3 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in September
Adin, 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
Adin, CA
- Average cloud cover in September: 13
The months with the most cloud cover are March and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in September
Adin, CA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Adin, California, USA
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