September weather forecast
Quartzsite, AZ

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Weather in September

In September, Quartzsite begins to experience a decline in temperatures, marking the end of the extreme summer heat. The weather cools down slightly, promising a gentle transition into the fall season. The temperature variation in September sees a high of 96.1°F (35.6°C) and a low of 79.3°F (26.3°C). This slight drop brings relief after the high temperatures of the summer months. The decrease in intensity will continue into October, ushering in more pleasant conditions.

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a still very hot 96.1°F (35.6°C) from August's 102.6°F (39.2°C). Quartzsite observes an average low-temperature of 79.3°F (26.3°C) during September.

Humidity

In Quartzsite, Arizona, the average relative humidity in September is 27%.

Rainfall

In September, the rain falls for 6.5 days. Throughout September, 0.71" (18mm) of precipitation is accumulated. In Quartzsite, Arizona, during the entire year, the rain falls for 47.8 days and collects up to 5.24" (133mm) of precipitation.

Daylight

The average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 6:11 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 6:22 pm MST.

Sunshine

In Quartzsite, Arizona, the average sunshine in September is 9.8h.

UV index

In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 7 during September translates into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
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Frequently asked questions

How hot does it get in Quartzsite in September?

In Quartzsite, in September, the average high-temperature is 96.1°F (35.6°C), and the average low-temperature is 79.3°F (26.3°C).

What is the average humidity in September in Quartzsite?

In September, the average relative humidity in Quartzsite is 27%.

How much does it rain in Quartzsite in September?

In Quartzsite, in September, during 6.5 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

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

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

When is the sunrise / sunset in September in Quartzsite?

On the first day of September in Quartzsite, Arizona, sunrise is at 6:11 am and sunset at 7:01 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 6:22 pm MST.

How many hours of sunshine does Quartzsite have in September?

The average sunshine duration in September is 9.8h.

How high is the UV index in September in Quartzsite?

In Quartzsite, Arizona, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health risk 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
Quartzsite, AZ

Average temperature in September - Quartzsite, AZ
  • Average high temperature in September: 96.1°F

The warmest month (with the highest average high temperature) is July (103.1°F).
The month with the lowest average high temperature is December (61°F).

  • Average low temperature in September: 79.3°F

The month with the highest average low temperature is August (85.6°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).

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Average pressure in September
Quartzsite, AZ

Average pressure in September - Quartzsite, AZ
  • Average pressure in September: 29.79"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).

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Average wind speed in September
Quartzsite, AZ

Average wind speed in September - Quartzsite, AZ
  • Average wind speed in September: 6.7mph

The windiest months (with the highest average wind speed) are April and May (8.8mph).
The calmest months (with the lowest average wind speed) are January, November and December (6mph).

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Average humidity in September
Quartzsite, AZ

Average humidity in September - Quartzsite, AZ
  • Average humidity in September: 27%

The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (17%).

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Average rainfall in September
Quartzsite, AZ

Average rainfall in September - Quartzsite, AZ
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is May (0.08").

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Average rainfall days in September
Quartzsite, AZ

Average rainfall days in September - Quartzsite, AZ
  • Average rainfall days in September: 6.5 days

The month with the highest number of rainy days is July (8.1 days).
The month with the least rainy days is May (1.4 days).

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Average daylight in September /
Average sunshine in September
Quartzsite, AZ

Average daylight in September / Average sunshine in September - Quartzsite, AZ
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in September: 9h and 5min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in September
Quartzsite, AZ

Average sunshine days in September - Quartzsite, AZ
  • Average sunshine days in September: 21.6 days

The month with the most sunshine days is May (29.3 days).
The month with the least sunshine days is August (19.5 days).

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Average UV index in September
Quartzsite, AZ

Average UV index in September - Quartzsite, AZ
  • Average UV index in September: 7

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

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Average cloud cover in September
Quartzsite, AZ

Average cloud cover in September - Quartzsite, AZ
  • Average cloud cover in September: 8

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).

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Average visibility in September
Quartzsite, AZ

Average visibility in September - Quartzsite, AZ
  • 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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Quartzsite, Arizona, USA

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