September weather forecast
Roosevelt Lake Gardens West, AZ

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Roosevelt Lake Gardens West, Arizona, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 59°F (15°C).

Temperature

September signifies a minor drop in average high-temperature, transitioning from a tropical 87.1°F (30.6°C) in August to a warm 81.5°F (27.5°C). A steep decline to a mild 59°F (15°C) characterizes the September nights in Roosevelt Lake Gardens West.

Heat index

The heat index for September is calculated to be 80.6°F (27°C). If exposure and ongoing activity persist, they might induce a state of tiredness and heat cramps.
Heat index specifics point out values are for conditions of shade and a slight breeze. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.

Humidity

In September, the average relative humidity in Roosevelt Lake Gardens West is 43%.

Rainfall

In Roosevelt Lake Gardens West, during September, the rain falls for 10.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 85.7 rainfall days, and 15.31" (389mm) of precipitation is accumulated.

Snowfall

In Roosevelt Lake Gardens West, Arizona, snow does not fall in May through October.

Daylight

In Roosevelt Lake Gardens West, the average length of the day in September is 12h and 22min.
On the first day of September, sunrise is at 5:59 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 6:10 pm MST.

Sunshine

In September, the average sunshine is 9.7h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What are the temperatures in Roosevelt Lake Gardens West in September?

Roosevelt Lake Gardens West in September has an average high-temperature of 81.5°F (27.5°C) and an average low-temperature of 59°F (15°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 80.6°F (27°C).

What is the average humidity in September in Roosevelt Lake Gardens West?

In September, the average relative humidity in Roosevelt Lake Gardens West, Arizona, is 43%.

How many days does it rain in September in Roosevelt Lake Gardens West?

In Roosevelt Lake Gardens West, in September, it is raining for 10.4 days, with typically 1.5" (38mm) of accumulated precipitation.

When it does not snow in Roosevelt Lake Gardens West?

May through October are months without snowfall in Roosevelt Lake Gardens West.

How many hours of daylight does Roosevelt Lake Gardens West have in September?

In Roosevelt Lake Gardens West, Arizona, the average day length in September is 12h and 22min.

When are sunrise and sunset in September in Roosevelt Lake Gardens West?

On the first day of September in Roosevelt Lake Gardens West, Arizona, sunrise is at 5:59 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 6:10 pm MST.

How many hours of sunshine does Roosevelt Lake Gardens West have in September?

In September, the average sunshine duration in Roosevelt Lake Gardens West, Arizona, is 9.7h.

What is the UV index reading in September in Roosevelt Lake Gardens West?

In September, the average daily maximum UV index in Roosevelt Lake Gardens West is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Roosevelt Lake Gardens West, AZ

Average temperature in September - Roosevelt Lake Gardens West, AZ
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (50.2°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (64.6°F).
The coldest months (with the lowest average low temperature) are January and December (31.5°F).

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Average pressure in September
Roosevelt Lake Gardens West, AZ

Average pressure in September - Roosevelt Lake Gardens West, AZ
  • Average pressure in September: 29.93"Hg

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

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Average wind speed in September
Roosevelt Lake Gardens West, AZ

Average wind speed in September - Roosevelt Lake Gardens West, AZ
  • Average wind speed in September: 5.4mph

The windiest months (with the highest average wind speed) are April and May (7.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in September
Roosevelt Lake Gardens West, AZ

Average humidity in September - Roosevelt Lake Gardens West, AZ
  • Average humidity in September: 43%

The months with the highest relative humidity are January and December (58%).
The month with the lowest relative humidity is June (24%).

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Average rainfall in September
Roosevelt Lake Gardens West, AZ

Average rainfall in September - Roosevelt Lake Gardens West, AZ
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is June (0.24").

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Average rainfall days in September
Roosevelt Lake Gardens West, AZ

Average rainfall days in September - Roosevelt Lake Gardens West, AZ
  • Average rainfall days in September: 10.4 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is June (3.3 days).

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Average snowfall in September
Roosevelt Lake Gardens West, AZ

Average snowfall in September - Roosevelt Lake Gardens West, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is February (5.51").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Roosevelt Lake Gardens West, AZ

Average snowfall days in September - Roosevelt Lake Gardens West, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (4.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Roosevelt Lake Gardens West, AZ

Average daylight in September / Average sunshine in September - Roosevelt Lake Gardens West, 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: 9h and 54min).

  • Average sunshine in September: 9h and 4min

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

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Average sunshine days in September
Roosevelt Lake Gardens West, AZ

Average sunshine days in September - Roosevelt Lake Gardens West, AZ
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is November (25.8 days).
The month with the least sunshine days is July (9.1 days).

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Average UV index in September
Roosevelt Lake Gardens West, AZ

Average UV index in September - Roosevelt Lake Gardens West, AZ
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Roosevelt Lake Gardens West, AZ

Average cloud cover in September - Roosevelt Lake Gardens West, AZ
  • Average cloud cover in September: 12

The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).

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Average visibility in September
Roosevelt Lake Gardens West, AZ

Average visibility in September - Roosevelt Lake Gardens West, 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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Roosevelt Lake Gardens West, Arizona, USA

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