September weather forecast
Deluz, CA

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Weather in September

The first month of the autumn, September, is still a warm month in Deluz, California, with an average temperature fluctuating between 81.7°F (27.6°C) and 61.9°F (16.6°C).

Temperature

With September's arrival, Deluz, California, notes an average high-temperature of a still warm 81.7°F (27.6°C), closely following the trend of the preceding month. Deluz reports an average nighttime low-temperature of 61.9°F (16.6°C) in September.

Heat index

The average heat index in September is estimated at 84.2°F (29°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
Know that the heat index computations account for shaded terrains and slight winds. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.

Humidity

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

Rainfall

In September, in Deluz, the rain falls for 4.4 days. Throughout September, 0.31" (8mm) of precipitation is accumulated. Throughout the year, in Deluz, there are 63.6 rainfall days, and 8.98" (228mm) of precipitation is accumulated.

Daylight

In Deluz, the average length of the day in September is 12h and 22min.
On the first day of September in Deluz, sunrise is at 6:23 am and sunset at 7:14 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:34 pm PDT.

Sunshine

The average sunshine in September is 10.5h.

UV index

The months with the highest UV index are June through September, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 6 in September translates into this advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the temperature in September in Deluz?

The high-temperature, in September, in Deluz, records 81.7°F (27.6°C), while the low-temperature is 61.9°F (16.6°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in September in Deluz?

The average relative humidity in September is 61%.

How much does it rain in Deluz in September?

In Deluz, California, in September, during 4.4 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

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

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

When is the sunrise / sunset in September in Deluz?

In September, on the first day of the month, sunrise is at 6:23 am and sunset at 7:14 pm. On the last day of the month, in Deluz, California, sunrise is at 6:43 am and sunset at 6:34 pm PDT.

How many hours of sunshine does Deluz have in September?

The average sunshine duration in September in Deluz, California, is 10.5h.

What are the months with the highest UV index in Deluz?

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

What is the UV index intensity in September in Deluz?

In Deluz, California, the average daily maximum UV index in September is 6. A UV Index value 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
Deluz, CA

Average temperature in September - Deluz, CA
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is August (63°F).
The coldest months (with the lowest average low temperature) are February and December (46.9°F).

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Average pressure in September
Deluz, CA

Average pressure in September - Deluz, CA
  • Average pressure in September: 29.88"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in September
Deluz, CA

Average wind speed in September - Deluz, CA
  • Average wind speed in September: 4.4mph

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

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Average humidity in September
Deluz, CA

Average humidity in September - Deluz, CA
  • Average humidity in September: 61%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is November (55%).

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Average rainfall in September
Deluz, CA

Average rainfall in September - Deluz, CA
  • Average rainfall in September: 0.31"

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

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Average rainfall days in September
Deluz, CA

Average rainfall days in September - Deluz, CA
  • Average rainfall days in September: 4.4 days

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

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

Average daylight in September / Average sunshine in September - Deluz, 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 3min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in September
Deluz, CA

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

The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is February (20 days).

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Average UV index in September
Deluz, CA

Average UV index in September - Deluz, 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
Deluz, CA

Average cloud cover in September - Deluz, CA
  • Average cloud cover in September: 10

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in September
Deluz, CA

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

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