September weather forecast
Newbury Park, CA

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Intense road network and dense home population in Thousand Oaks and Ventura County in Newbury Park, California
Intense road network and dense home population in Thousand Oaks and Ventura County in Newbury Park, California

Weather in September

The first month of the autumn, September, is still a warm month in Newbury Park, California, with an average temperature ranging between min 62.8°F (17.1°C) and max 77°F (25°C).

Temperature

The transition from August to September sees an average high-temperature of a still moderately hot 77°F (25°C), indicating a minor variance from the prior month. In Newbury Park, September is marked by an average low-temperature of 62.8°F (17.1°C).

Humidity

In September, the average relative humidity in Newbury Park is 61%.

Rainfall

In Newbury Park, in September, during 2.8 rainfall days, 0.2" (5mm) of precipitation is typically accumulated. Throughout the year, there are 51.2 rainfall days, and 9.41" (239mm) of precipitation is accumulated.

Daylight

In September, the average length of the day in Newbury Park 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, in Newbury Park, California, sunrise is at 6:50 am and sunset at 6:40 pm PDT.

Sunshine

In September, the average sunshine is 10.9h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 6 during September translates into the following directions:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. To cut down UV radiation exposure by about half, sport a wide-brim hat.
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Frequently asked questions

What are the temperatures in Newbury Park in September?

During September, Newbury Park experiences an average high-temperature of 77°F (25°C) and a low-temperature of 62.8°F (17.1°C).

What is the average humidity in September in Newbury Park?

The average relative humidity in September in Newbury Park, California, is 61%.

How many days does it rain in September in Newbury Park?

In Newbury Park, in September, it is raining for 2.8 days, with typically 0.2" (5mm) of accumulated precipitation.

What is the average length of the day in September in Newbury Park?

In September, the average day length in Newbury Park is 12h and 22min.

When is the sunrise / sunset in September in Newbury Park?

On the first day of September in Newbury Park, sunrise is at 6:29 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:40 pm PDT.

How many hours of sunshine does Newbury Park have in September?

In September, the average sunshine duration in Newbury Park is 10.9h.

What is the month with the highest UV index in Newbury Park?

The months with the highest UV index in Newbury Park, California, are June through September, with an average maximum UV index of 6.

What is the UV index reading in September in Newbury Park?

In Newbury Park, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Newbury Park, CA

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).

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Average pressure in September
Newbury Park, CA

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).

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Average wind speed in September
Newbury Park, CA

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).

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Average humidity in September
Newbury Park, CA

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%).

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Average rainfall in September
Newbury Park, CA

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").

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Average rainfall days in September
Newbury Park, CA

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).

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Average daylight in September /
Average sunshine in September
Newbury Park, CA

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).

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Average sunshine days in September
Newbury Park, CA

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).

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Average UV index in September
Newbury Park, CA

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).

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Average cloud cover in September
Newbury Park, CA

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).

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Average visibility in September
Newbury Park, CA

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).

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Newbury Park, California, USA

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