September weather forecast
Desert Lake, CA

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Weather in September

September, the first month of the autumn in Desert Lake, is also a hot month, with an average temperature varying between 88.7°F (31.5°C) and 65.1°F (18.4°C).

Temperature

With the onset of September, the average high-temperature subtly recedes from August's 94.8°F (34.9°C) to a still tropical 88.7°F (31.5°C). Desert Lake's average nighttime temperature descends significantly from the day's peak in September, settling at an enjoyable 65.1°F (18.4°C).

Humidity

The average relative humidity in September is 28%.

Rainfall

In September, the rain falls for 1.6 days. Throughout September, 0.12" (3mm) of precipitation is accumulated. In Desert Lake, during the entire year, the rain falls for 39.4 days and collects up to 3.86" (98mm) of precipitation.

Snowfall

In Desert Lake, California, snow does not fall in February through October.

Daylight

In Desert Lake, the average length of the day in September is 12h and 23min.
On the first day of September, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:35 pm PDT.

Sunshine

In Desert Lake, the average sunshine in September is 10.8h.

UV index

In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 6 during September morphs into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot is it in September?

Desert Lake in September has an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 65.1°F (18.4°C).

What is the average humidity in September?

In September, the average relative humidity is 28%.

How much does it rain in September?

In Desert Lake, in September, it is raining for 1.6 days, with typically 0.12" (3mm) of accumulated precipitation.

When it does not snow?

February through October are months without snowfall.

How many hours of daylight does Desert Lake have in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:24 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:35 pm PDT.

How many hours of sunshine does Desert Lake have in September?

In Desert Lake, the average sunshine duration in September is 10.8h.

How high is the UV index in September?

In Desert Lake, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Desert Lake, CA

Average temperature in September - Desert Lake, CA
  • Average high temperature in September: 88.7°F

The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in September: 65.1°F

The month with the highest average low temperature is August (70.3°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).

Average pressure in September
Desert Lake, CA

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in September
Desert Lake, CA

Average wind speed in September - Desert Lake, CA
  • Average wind speed in September: 8.6mph

The windiest month (with the highest average wind speed) is May (11.8mph).
The calmest month (with the lowest average wind speed) is January (6.5mph).

Average humidity in September
Desert Lake, CA

Average humidity in September - Desert Lake, CA
  • Average humidity in September: 28%

The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is August (24%).

Average rainfall in September
Desert Lake, CA

Average rainfall in September - Desert Lake, CA
  • Average rainfall in September: 0.12"

The wettest month (with the highest rainfall) is December (0.83").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in September
Desert Lake, CA

Average rainfall days in September - Desert Lake, CA
  • Average rainfall days in September: 1.6 days

The month with the highest number of rainy days is March (5.5 days).
The month with the least rainy days is June (0.9 days).

Average snowfall in September
Desert Lake, CA

Average snowfall in September - Desert Lake, CA
  • Average snowfall in September: 0"

The month with the highest snowfall is November (0.71").
The months with the least snowfall are February, March, April, May, June, July, August, September and October (0").

Average snowfall days in September
Desert Lake, CA

Average snowfall days in September - Desert Lake, CA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Desert Lake, CA

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

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • 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 January (Average sunshine: 7h and 0min).

Average sunshine days in September
Desert Lake, CA

Average sunshine days in September - Desert Lake, CA
  • Average sunshine days in September: 26 days

The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (22.8 days).

Average UV index in September
Desert Lake, CA

Average UV index in September - Desert Lake, CA
  • Average UV index in September: 6

The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Desert Lake, CA

Average cloud cover in September - Desert Lake, CA
  • Average cloud cover in September: 5

The months with the most cloud cover are March and December (Cloud cover 19).
The months with the least cloud cover are June, August and September (Cloud cover 5).

Average visibility in September
Desert Lake, CA

Average visibility in September - Desert Lake, 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).

Desert Lake, California, USA

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