September weather forecast
Newhall, CA

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Weather in September

September, the first month of the autumn in Newhall, is also a moderately hot month, with temperature in the range of an average high of 85.1°F (29.5°C) and an average low of 61.7°F (16.5°C).

Temperature

The transition from August to September sees average high-temperatures adjusting to a warm 85.1°F (29.5°C), from a not significantly different 88.5°F (31.4°C). Despite the hot September days, Newhall's nights see an average temperature plunge to a comfortable 61.7°F (16.5°C).

Heat index

The heat index value during September is computed to be a hot 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.
Heat index evaluations are typically in the context of light winds and shaded environments. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.

Humidity

In Newhall, the average relative humidity in September is 45%.

Rainfall

In Newhall, during September, the rain falls for 1.5 days and regularly aggregates up to 0.08" (2mm) of precipitation. In Newhall, during the entire year, the rain falls for 37.3 days and collects up to 6.1" (155mm) of precipitation.

Daylight

In September, the average length of the day is 12h and 22min.
On the first day of the month, sunrise is at 6:27 am and sunset at 7:19 pm. On the last day of September, in Newhall, California, sunrise is at 6:48 am and sunset at 6:39 pm PDT.

Sunshine

The average sunshine in September in Newhall is 10.9h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index in Newhall, California. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
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Frequently asked questions

Is it hot in Newhall during September?

The high-temperature, in September, in Newhall, is 85.1°F (29.5°C), while the low-temperature averages to 61.7°F (16.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is computed to be 86°F (30°C).

What is the average humidity in September in Newhall?

In September, the average relative humidity is 45%.

How many days does it rain in September in Newhall?

In Newhall, California, in September, during 1.5 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

What is the average length of the day in September in Newhall?

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

When is the sunrise / sunset in September in Newhall?

On the first day of September in Newhall, California, sunrise is at 6:27 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:39 pm PDT.

How many hours of sunshine does Newhall have in September?

The average sunshine duration in September is 10.9h.

What is the month with the highest UV index in Newhall?

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

What is the UV index reading in September in Newhall?

The average daily maximum UV index in September in Newhall is 6. A UV Index of 6 to 7 symbolizes a high health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Newhall, CA

Average temperature in September - Newhall, CA
  • Average high temperature in September: 85.1°F

The warmest month (with the highest average high temperature) is August (88.5°F).
The month with the lowest average high temperature is December (60.1°F).

  • Average low temperature in September: 61.7°F

The month with the highest average low temperature is August (63.7°F).
The coldest month (with the lowest average low temperature) is December (43.7°F).

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Average pressure in September
Newhall, CA

Average pressure in September - Newhall, CA
  • Average pressure in September: 29.89"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in September
Newhall, CA

Average wind speed in September - Newhall, CA
  • Average wind speed in September: 5mph

The windiest months (with the highest average wind speed) are January and December (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in September
Newhall, CA

Average humidity in September - Newhall, CA
  • Average humidity in September: 45%

The month with the highest relative humidity is March (56%).
The month with the lowest relative humidity is October (44%).

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Average rainfall in September
Newhall, CA

Average rainfall in September - Newhall, CA
  • Average rainfall in September: 0.08"

The wettest month (with the highest rainfall) is February (1.26").
The driest month (with the least rainfall) is June (0").

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Average rainfall days in September
Newhall, CA

Average rainfall days in September - Newhall, CA
  • Average rainfall days in September: 1.5 days

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.5 days).

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

Average daylight in September / Average sunshine in September - Newhall, 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 42min).

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Average sunshine days in September
Newhall, CA

Average sunshine days in September - Newhall, CA
  • Average sunshine days in September: 28.3 days

The month with the most sunshine days is August (29.5 days).
The month with the least sunshine days is February (22.1 days).

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Average UV index in September
Newhall, CA

Average UV index in September - Newhall, CA
  • Average UV index in September: 6

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

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Average cloud cover in September
Newhall, CA

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

The months with the most cloud cover are February and March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in September
Newhall, CA

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

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