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
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a very hot 95.4°F (35.2°C) in August to a hot 89.8°F (32.1°C). Nightly average temperatures in September reveal a significant dip from daytime highs in Idria, registering a consistent a refreshing 63.1°F (17.3°C).Humidity
In September, the average relative humidity is 35%.Rainfall
In September, in Idria, the rain falls for 1.7 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. Throughout the year, in Idria, there are 59.1 rainfall days, and 7.99" (203mm) of precipitation is accumulated.Snowfall
January, February, April through December are months without snowfall in Idria.Daylight
The average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:47 pm PDT.
Sunshine
In September, the average sunshine is 11.4h.UV index
The average daily maximum UV index in September in Idria is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Idria in September?
What is the average humidity in September in Idria?
How much does it rain in Idria in September?
When it does not snow in Idria?
What is the average length of the day in September in Idria?
When is the sunrise / sunset in September in Idria?
How many hours of sunshine does Idria have in September?
How high is the UV index in September in Idria?
Average temperature in September
Idria, CA
- Average high temperature in September: 89.8°F
The warmest month (with the highest average high temperature) is July (96.1°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).
Average pressure in September
Idria, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Idria, CA
- Average wind speed in September: 4.7mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in September
Idria, CA
- Average humidity in September: 35%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is July (32%).
Average rainfall in September
Idria, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is March (1.57").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in September
Idria, CA
- Average rainfall days in September: 1.7 days
The month with the highest number of rainy days is March (10.2 days).
The month with the least rainy days is August (1 days).
Average snowfall in September
Idria, CA
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.04").
The months with the least snowfall are January, February, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Idria, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (0.1 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Idria, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 18min).
Average sunshine days in September
Idria, CA
- Average sunshine days in September: 27.7 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is February (19.3 days).
Average UV index in September
Idria, CA
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Idria, CA
- Average cloud cover in September: 5
The months with the most cloud cover are March and December (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in September
Idria, 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).
Idria, California, USA
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