September weather forecast
Chualar, CA

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Weather in September

The first month of the autumn, September, is still a warm month in Chualar, California, with an average temperature varying between 83.3°F (28.5°C) and 53.4°F (11.9°C).

Temperature

The advent of September brings an average high-temperature of a moderately hot 83.3°F (28.5°C), exhibiting minor difference from the previous month. Following the sharp contrast to daytime warmth, an average nighttime temperature of 53.4°F (11.9°C) gets registered during September.

Heat index

The heat index value during September is computed to be a tropical 86°F (30°C). With extended exposure and activity, one might feel exhausted and experience heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is the outcome of merging air's temperature and its humidity metrics. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids frequently fail to realize the necessity for resting and hydrating. Thirst is an advanced indication of dehydration - hence, maintaining hydration, especially during extended physical activities, becomes essential.

Humidity

In Chualar, the average relative humidity in September is 56%.

Rainfall

In September, the rain falls for 1.4 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. In Chualar, during the entire year, the rain falls for 55.4 days and collects up to 7.4" (188mm) of precipitation.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of September, sunrise is at 6:37 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:50 pm PDT.

Sunshine

The average sunshine in September in Chualar is 11.3h.

UV index

In Chualar, California, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 5 suggests this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

How hot is September in Chualar?

In Chualar, 83.3°F (28.5°C) is the average high-temperature and 53.4°F (11.9°C) is the average low-temperature during September. In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the average humidity in September in Chualar?

In Chualar, California, the average relative humidity in September is 56%.

How much does it rain in Chualar in September?

In Chualar, California, in September, during 1.4 rainfall days, 0.08" (2mm) of precipitation is typically accumulated.

How many hours of daylight does Chualar have in September?

In September, the average day length in Chualar, California, is 12h and 24min.

What time are sunrise and sunset in September in Chualar?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:33 pm. On the last day of the month, in Chualar, California, sunrise is at 7:01 am and sunset at 6:50 pm PDT.

How many hours of sunshine does Chualar have in September?

The average sunshine duration in September is 11.3h.

What is the UV index reading in September in Chualar?

In Chualar, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Chualar, CA

Average temperature in September - Chualar, CA
  • Average high temperature in September: 83.3°F

The warmest month (with the highest average high temperature) is August (86.2°F).
The month with the lowest average high temperature is December (57.6°F).

  • Average low temperature in September: 53.4°F

The month with the highest average low temperature is July (54.1°F).
The coldest month (with the lowest average low temperature) is February (39.9°F).

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Average pressure in September
Chualar, CA

Average pressure in September - Chualar, CA
  • Average pressure in September: 29.92"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in September
Chualar, CA

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

The windiest months (with the highest average wind speed) are May and June (6mph).
The calmest month (with the lowest average wind speed) is October (4.4mph).

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Average humidity in September
Chualar, CA

Average humidity in September - Chualar, CA
  • Average humidity in September: 56%

The month with the highest relative humidity is March (73%).
The month with the lowest relative humidity is July (55%).

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Average rainfall in September
Chualar, CA

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

The wettest month (with the highest rainfall) is December (1.5").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in September
Chualar, CA

Average rainfall days in September - Chualar, CA
  • Average rainfall days in September: 1.4 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is June (0.7 days).

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

Average daylight in September / Average sunshine in September - Chualar, 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: 11h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days in September
Chualar, CA

Average sunshine days in September - Chualar, CA
  • Average sunshine days in September: 27.7 days

The month with the most sunshine days is August (29.6 days).
The month with the least sunshine days is March (19.4 days).

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Average UV index in September
Chualar, CA

Average UV index in September - Chualar, 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 January, February, November and December (UV index 3).

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Average cloud cover in September
Chualar, CA

Average cloud cover in September - Chualar, CA
  • Average cloud cover in September: 9

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in September
Chualar, CA

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

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