September weather forecast
Victorville, CA

Weather in September

The first month of the autumn, September, is also a moderately hot month in Victorville, California, with an average temperature fluctuating between 63.5°F (17.5°C) and 85.8°F (29.9°C).

Temperature

In Victorville, the average high-temperature in September slightly decreases from a tropical 91.9°F (33.3°C) in August to a moderately hot 85.8°F (29.9°C). In September, in Victorville, the average low-temperature is 63.5°F (17.5°C).

Humidity

The average relative humidity in September is 32%.

Rainfall

In September, in Victorville, the rain falls for 2.7 days. Throughout September, 0.28" (7mm) of precipitation is accumulated. Throughout the year, there are 44.8 rainfall days, and 4.8" (122mm) of precipitation is accumulated.

Snowfall

In Victorville, snow does not fall in March, May through October.

Daylight

The average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:22 am and sunset at 7:15 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 10.7h.

UV index

In September, the average daily maximum UV index in Victorville is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Victorville?

The average relative humidity in September is 32%.

How much does it rain in Victorville in September?

In September, the rain falls for 2.7 days. Throughout September, 0.28" (7mm) of precipitation is accumulated.

When it does not snow in Victorville?

In Victorville, California, snow does not fall in March, May through October.

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

In September, the average day length in Victorville is 12h and 23min.

When are sunrise and sunset in September in Victorville?

On the first day of September in Victorville, sunrise is at 6:22 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:34 pm PDT.

How many hours of sunshine does Victorville have in September?

The average sunshine duration in September in Victorville, California, is 10.7h.

What is the UV index reading in September in Victorville?

In Victorville, California, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Victorville, CA

Average temperature in September - Victorville, CA
  • Average high temperature in September: 85.8°F

The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is December (53.2°F).

  • Average low temperature in September: 63.5°F

The month with the highest average low temperature is August (68.5°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).

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Average pressure in September
Victorville, CA

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in September
Victorville, CA

Average wind speed in September - Victorville, CA
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is May (10.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).

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Average humidity in September
Victorville, CA

Average humidity in September - Victorville, CA
  • Average humidity in September: 32%

The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is August (27%).

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Average rainfall in September
Victorville, CA

Average rainfall in September - Victorville, CA
  • Average rainfall in September: 0.28"

The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Victorville, CA

Average rainfall days in September - Victorville, CA
  • Average rainfall days in September: 2.7 days

The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.9 days).

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Average snowfall in September
Victorville, CA

Average snowfall in September - Victorville, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is November (1.73").
The months with the least snowfall are March, May, June, July, August, September and October (0").

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Average snowfall days in September
Victorville, CA

Average snowfall days in September - Victorville, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Victorville, CA
  • Average daylight in September: 12h and 23min

The month with the longest days is June (Average daylight: 14h and 26min).
The month with the shortest days is December (Average daylight: 9h and 53min).

  • Average sunshine in September: 10h and 42min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).

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Average sunshine days in September
Victorville, CA

Average sunshine days in September - Victorville, CA
  • Average sunshine days in September: 25.9 days

The month with the most sunshine days is June (28.9 days).
The month with the least sunshine days is February (22.4 days).

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Average UV index in September
Victorville, CA

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

The months with the highest UV index are June, July and August (UV index 7).
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
Victorville, CA

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

The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June and August (Cloud cover 5).

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Average visibility in September
Victorville, CA

Average visibility in September - Victorville, 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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