September weather forecast
Dulzura, CA

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Weather in September

The first month of the autumn, September, is still a warm month in Dulzura, California, with temperature in the range of an average high of 82.6°F (28.1°C) and an average low of 64°F (17.8°C).

Temperature

The advent of September observes an average high-temperature of a still moderately hot 82.6°F (28.1°C), nearly identical to August's 84.2°F (29°C). In September, Dulzura experiences an average nighttime temperature of 64°F (17.8°C).

Heat index

September's average heat index is calculated to be 84.2°F (29°C). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is found by incorporating humidity levels into the air temperature measurement. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct sunlight exposure should be noted as it has the potential to increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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 September, the average relative humidity is 57%.

Rainfall

In Dulzura, in September, during 4.6 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. Throughout the year, there are 60.6 rainfall days, and 8.66" (220mm) of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:11 pm. On the last day of September, sunrise is at 6:41 am and sunset at 6:32 pm PDT.

Sunshine

In Dulzura, the average sunshine in September is 10.4h.

UV index

June through September, with an average maximum UV index of 6, are months with the highest UV index in Dulzura. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is September in Dulzura?

In Dulzura, in September, the average high-temperature is 82.6°F (28.1°C), and the average low-temperature is 64°F (17.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 84.2°F (29°C).

What is the average humidity in September?

In September, the average relative humidity is 57%.

How much does it rain in September?

In Dulzura, in September, during 4.6 rainfall days, 0.39" (10mm) of precipitation is typically accumulated.

How many hours of daylight does Dulzura have in September?

The average day length in September is 12h and 22min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:22 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:41 am and sunset at 6:32 pm PDT.

How long on average sun shines in September?

In Dulzura, the average sunshine duration in September is 10.4h.

What is the month with the highest UV index?

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

What is the UV index intensity in September?

In Dulzura, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes 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
Dulzura, CA

Average temperature in September - Dulzura, CA
  • Average high temperature in September: 82.6°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 (63°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is August (66.2°F).
The coldest months (with the lowest average low temperature) are February and December (47.3°F).

Average pressure in September
Dulzura, CA

Average pressure in September - Dulzura, CA
  • Average pressure in September: 29.87"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are June and September (29.87"Hg).

Average wind speed in September
Dulzura, CA

Average wind speed in September - Dulzura, CA
  • Average wind speed in September: 4.3mph

The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest months (with the lowest average wind speed) are September and October (4.3mph).

Average humidity in September
Dulzura, CA

Average humidity in September - Dulzura, CA
  • Average humidity in September: 57%

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).

Average rainfall in September
Dulzura, CA

Average rainfall in September - Dulzura, CA
  • Average rainfall in September: 0.39"

The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in September
Dulzura, CA

Average rainfall days in September - Dulzura, CA
  • Average rainfall days in September: 4.6 days

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.3 days).

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

Average daylight in September / Average sunshine in September - Dulzura, CA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 10h and 2min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in September
Dulzura, CA

Average sunshine days in September - Dulzura, CA
  • Average sunshine days in September: 22.5 days

The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is July (20.3 days).

Average UV index in September
Dulzura, CA

Average UV index in September - Dulzura, 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).

Average cloud cover in September
Dulzura, CA

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

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in September
Dulzura, CA

Average visibility in September - Dulzura, 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).

Dulzura, California, USA

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