September weather forecast
Piru, CA

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Weather in September

September, the first month of the autumn in Piru, is still a warm month, with an average temperature ranging between min 59.7°F (15.4°C) and max 81.1°F (27.3°C).

Temperature

The advent of September denotes an average high-temperature of a still warm 81.1°F (27.3°C), subtly different from August's 84.2°F (29°C). September witnesses an average low-temperature hovering around a moderate 59.7°F (15.4°C).

Heat index

The heat index value during September is evaluated at 82.4°F (28°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.
Be aware that heat index ratings are designed for shaded locations and minor breezes. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a fusion of air temperature and moisture levels to demonstrate the sensation of heat. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

In Piru, the average relative humidity in September is 49%.

Rainfall

In Piru, in September, during 2.4 rainfall days, 0.16" (4mm) of precipitation is typically accumulated. Throughout the year, in Piru, there are 52.1 rainfall days, and 9.02" (229mm) of precipitation is accumulated.

Snowfall

January, February, April through December are months without snowfall.

Daylight

In September, the average length of the day in Piru is 12h and 22min.
On the first day of September in Piru, sunrise is at 6:29 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:40 pm PDT.

Sunshine

The average sunshine in September is 10.9h.

UV index

The average daily maximum UV index in September in Piru is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily UV index of 5 turns into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What is the average September temperature in Piru?

In September, the average high-temperature and low-temperature are 81.1°F (27.3°C) and 59.7°F (15.4°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 82.4°F (28°C).

What is the average humidity in September in Piru?

The average relative humidity in September in Piru is 49%.

How much does it rain in Piru in September?

In Piru, California, in September, during 2.4 rainfall days, 0.16" (4mm) of precipitation is typically accumulated.

When it does not snow in Piru?

January, February, April through December are months without snowfall in Piru.

How many hours of daylight does Piru have in September?

In Piru, California, the average day length in September is 12h and 22min.

What time are sunrise and sunset in September in Piru?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:20 pm. On the last day of the month, in Piru, California, sunrise is at 6:49 am and sunset at 6:40 pm PDT.

How long on average sun shines in September in Piru?

In September, the average sunshine duration is 10.9h.

What is the UV index reading in September in Piru?

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Piru, CA

Average temperature in September - Piru, CA
  • Average high temperature in September: 81.1°F

The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (59.2°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

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Average pressure in September
Piru, CA

Average pressure in September - Piru, CA
  • Average pressure in September: 29.9"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in September
Piru, CA

Average wind speed in September - Piru, CA
  • Average wind speed in September: 4.5mph

The windiest month (with the highest average wind speed) is December (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

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Average humidity in September
Piru, CA

Average humidity in September - Piru, CA
  • Average humidity in September: 49%

The month with the highest relative humidity is March (60%).
The months with the lowest relative humidity are October and November (47%).

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Average rainfall in September
Piru, CA

Average rainfall in September - Piru, CA
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is February (1.85").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Piru, CA

Average rainfall days in September - Piru, CA
  • Average rainfall days in September: 2.4 days

The month with the highest number of rainy days is March (8.3 days).
The months with the least rainy days are June and August (1.2 days).

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Average snowfall days in September
Piru, CA

Average snowfall days in September - Piru, 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).

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Average daylight in September /
Average sunshine in September
Piru, CA

Average daylight in September / Average sunshine in September - Piru, 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 months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

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Average sunshine days in September
Piru, CA

Average sunshine days in September - Piru, CA
  • Average sunshine days in September: 26.1 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (21 days).

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Average UV index in September
Piru, CA

Average UV index in September - Piru, CA
  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in September
Piru, CA

Average cloud cover in September - Piru, CA
  • Average cloud cover in September: 6

The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in September
Piru, CA

Average visibility in September - Piru, 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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Piru, California, USA

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