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 transition into September subtly indicates a reduction in the average high-temperature, down to a still moderately hot 78.1°F (25.6°C) from August's 85.5°F (29.7°C). Throughout September, Independence encounters an average temperature drop to a refreshing 60.3°F (15.7°C).Humidity
In September, the average relative humidity in Independence is 22%.Rainfall
The months with the least rainfall are June and September Rain falls for 2.3 days and accumulates 0.16" (4mm) of rain.Snowfall
In Independence, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 6:24 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:47 am and sunset at 6:37 pm PDT.
Sunshine
The average sunshine in September is 10.9h.UV index
In September, the average daily maximum UV index in Independence is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Independence?
What is the average humidity in September in Independence?
What is the driest month in Independence?
How much does it rain in Independence in September?
When it does not snow in Independence?
How many hours of daylight does Independence have in September?
When is the sunrise / sunset in September in Independence?
How long on average sun shines in September in Independence?
How high is the UV index in September in Independence?
Average temperature in September
Independence, CA
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (46.9°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is December (31.5°F).
Average pressure in September
Independence, CA
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Independence, CA
- Average wind speed in September: 6.2mph
The windiest months (with the highest average wind speed) are April, May and June (7.6mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).
Average humidity in September
Independence, CA
- Average humidity in September: 22%
The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is August (19%).
Average rainfall in September
Independence, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is December (0.67").
The driest months (with the least rainfall) are June and September (0.16").
Average rainfall days in September
Independence, CA
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is September (2.3 days).
Average snowfall in September
Independence, CA
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Independence, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Independence, 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: 10h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 18min).
Average sunshine days in September
Independence, CA
- Average sunshine days in September: 25 days
The month with the most sunshine days is October (27.7 days).
The month with the least sunshine days is July (20 days).
Average UV index in September
Independence, CA
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in September
Independence, CA
- Average cloud cover in September: 5
The month with the most cloud cover is January (Cloud cover 16).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in September
Independence, 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).
Independence, California, USA
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