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 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 commences with an average high-temperature of a still warm 77°F (25°C), showing little deviation from August's 78.4°F (25.8°C). During September, the temperature in Newbury Park tends to dip to an average of 62.8°F (17.1°C) at night.Humidity
In Newbury Park, the average relative humidity in September is 61%.Rainfall
In Newbury Park, California, in September, it is raining for 2.8 days, with typically 0.2" (5mm) of accumulated precipitation. In Newbury Park, during the entire year, the rain falls for 51.2 days and collects up to 9.41" (239mm) of precipitation.Daylight
In Newbury Park, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:40 pm PDT.
Sunshine
In September, the average sunshine in Newbury Park, California, is 10.9h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index in Newbury Park. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 6 as the daily maximum UV index converts into the following advice:
Shun overexposure. Protection from sun ravages is indispensable. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Newbury Park in September?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Newbury Park have in September?
What are the months with the highest UV index?
How high is the UV index in September?
Average temperature in September
Newbury Park, CA
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (60.4°F).
- Average low temperature in September: 62.8°F
The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is February (49.1°F).
Average pressure in September
Newbury Park, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June and September (29.9"Hg).
Average wind speed in September
Newbury Park, CA
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are April and December (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in September
Newbury Park, CA
- Average humidity in September: 61%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).
Average rainfall in September
Newbury Park, CA
- Average rainfall in September: 0.2"
The wettest months (with the highest rainfall) are January and February (1.93").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Newbury Park, CA
- Average rainfall days in September: 2.8 days
The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is August (1.5 days).
Average daylight in September /
Average sunshine in September
Newbury Park, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in September
Newbury Park, CA
- Average sunshine days in September: 24 days
The month with the most sunshine days is August (26.2 days).
The month with the least sunshine days is February (21 days).
Average UV index in September
Newbury Park, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 4).
Average cloud cover in September
Newbury Park, CA
- Average cloud cover in September: 7
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in September
Newbury Park, 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).
Newbury Park, California, USA
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