September weather forecast and climate
Lancaster, CA

Weather in September

The first month of the autumn, September, is still a hot month in Lancaster, California, with average temperature varying between 86°F (30°C) and 61.3°F (16.3°C).

Temperature

In Lancaster, California, the average high-temperature marginally drops, from 91.4°F (33°C) in August, to a still hot 86°F (30°C). In September, the average low-temperature is 61.3°F (16.3°C).

Humidity

In September, the average relative humidity in Lancaster is 34%.

Rainfall

In Lancaster, California, it is raining for 2.6 days, with typically 0.16" (4mm) of accumulated precipitation. In Lancaster, California, during the entire year, the rain falls for 48.7 days and collects up to 5.71" (145mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Lancaster, the average length of the day in September is 12.4h.

Sunshine

In September, the average sunshine in Lancaster is 10.9h.

UV index

In Lancaster, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for 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 temperature in September in Lancaster?

The average high-temperature, in September, in Lancaster, California, is 86°F (30°C), while the average low-temperature is 61.3°F (16.3°C).

What is the average humidity in September in Lancaster?

In Lancaster, the average relative humidity in September is 34%.

How much does it rain in Lancaster in September?

In September, in Lancaster, the rain falls for 2.6 days. Throughout September, 0.16" (4mm) of precipitation is accumulated.

When it does not snow in Lancaster?

April through October are months without snowfall.

How many hours of daylight does Lancaster have in September?

In September, the average length of the day in Lancaster, California, is 12.4h.

How many hours of sunshine does Lancaster have in September?

In September, the average sunshine in Lancaster is 10.9h.

How high is the UV index in September in Lancaster?

The average daily maximum UV index in September in Lancaster is 5. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV radiation.

Average temperature in September
Lancaster, CA

Average temperature in September - Lancaster, CA
  • Average high temperature in September: 86°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is August (65.3°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).

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Average pressure in September
Lancaster, CA

Average pressure in September - Lancaster, CA
  • Average pressure in September: 29.89"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in September
Lancaster, CA

Average wind speed in September - Lancaster, CA
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.7mph).

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Average humidity in September
Lancaster, CA

Average humidity in September - Lancaster, CA
  • Average humidity in September: 34%

The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is August (31%).

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Average rainfall in September
Lancaster, CA

Average rainfall in September - Lancaster, CA
  • Average rainfall in September: 0.16"

The wettest month (with the highest rainfall) is December (1.34").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in September
Lancaster, CA

Average rainfall days in September - Lancaster, CA
  • Average rainfall days in September: 2.6 days

The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.1 days).

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Average snowfall in September
Lancaster, CA

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

The month with the highest snowfall is December (2.01").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Lancaster, CA

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

The month with the highest number of snowfall days is February (0.8 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Lancaster, CA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in September: 10.9h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 6.9h).

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Average sunshine days in September
Lancaster, CA

Average sunshine days in September - Lancaster, CA
  • Average sunshine days in September: 25.5 days

The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (20.8 days).

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Average UV index in September
Lancaster, CA

Average UV index in September - Lancaster, CA
  • Average UV index in September: 5

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in September
Lancaster, CA

Average cloud cover in September - Lancaster, CA
  • Average cloud cover in September: 5

Months with the most cloud cover are March and December (Cloud cover 21).
Months with the least cloud cover are June, August and September (Cloud cover 5).

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Average visibility in September
Lancaster, CA

Average visibility in September - Lancaster, CA
  • Average visibility in September: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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