September weather forecast
Sonoita, AZ

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Sonoita, Arizona, with an average temperature ranging between max 81.7°F (27.6°C) and min 63.1°F (17.3°C).

Temperature

The start of September marks an average high-temperature of a moderately hot 81.7°F (27.6°C), hardly distinguishable from the conditions in August. Throughout September, the average low-temperature records at a comfortable 63.1°F (17.3°C).

Heat index

The average heat index in September is computed to be 82.4°F (28°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.

Humidity

With an average relative humidity of 50%, September is the most humid month.

Rainfall

In Sonoita, in September, during 12.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Sonoita, during the entire year, the rain falls for 92.2 days and collects up to 15.47" (393mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Sonoita, the average length of the day in September is 12h and 21min.
On the first day of September, sunrise is at 5:58 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 6:08 pm MST.

Sunshine

In Sonoita, the average sunshine in September is 9.9h.

UV index

In Sonoita, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, a regular UV index of 6 translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature, in September, in Sonoita, records 81.7°F (27.6°C), while the low-temperature is 63.1°F (17.3°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 82.4°F (28°C).

What is the most humid month?

September is the most humid month, with an average relative humidity of 50%.

What is the average humidity in September in Sonoita?

In September, the average relative humidity is 50%.

How many days does it rain in September?

In September, the rain falls for 12.9 days. Throughout September, 2.32" (59mm) of precipitation is accumulated.

When it does not snow?

April through November are months without snowfall.

How many hours of daylight does Sonoita have in September?

In September, the average day length in Sonoita is 12h and 21min.

What time are sunrise and sunset in September in Sonoita?

On the first day of September, sunrise is at 5:58 am and sunset at 6:46 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 6:08 pm MST.

How many hours of sunshine does Sonoita have in September?

The average sunshine duration in September is 9.9h.

How high is the UV index in September in Sonoita?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health threat from exposure to the Sun's 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
Sonoita, AZ

Average temperature in September - Sonoita, AZ
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is June (90.1°F).
The month with the lowest average high temperature is December (56.5°F).

  • Average low temperature in September: 63.1°F

The month with the highest average low temperature is July (69.6°F).
The coldest months (with the lowest average low temperature) are January and December (37.8°F).

Average pressure in September
Sonoita, AZ

Average pressure in September - Sonoita, AZ
  • Average pressure in September: 29.89"Hg

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in September
Sonoita, AZ

Average wind speed in September - Sonoita, AZ
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in September
Sonoita, AZ

Average humidity in September - Sonoita, AZ
  • Average humidity in September: 50%

The month with the highest relative humidity is September (50%).
The months with the lowest relative humidity are May and June (23%).

Average rainfall in September
Sonoita, AZ

Average rainfall in September - Sonoita, AZ
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.12").

Average rainfall days in September
Sonoita, AZ

Average rainfall days in September - Sonoita, AZ
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (2.3 days).

Average snowfall in September
Sonoita, AZ

Average snowfall in September - Sonoita, AZ
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Sonoita, AZ

Average snowfall days in September - Sonoita, AZ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 9h and 5min

The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in September
Sonoita, AZ

Average sunshine days in September - Sonoita, AZ
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (6.5 days).

Average UV index in September
Sonoita, AZ

Average UV index in September - Sonoita, AZ
  • Average UV index in September: 6

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Sonoita, AZ

Average cloud cover in September - Sonoita, AZ
  • Average cloud cover in September: 17

The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 8).

Average visibility in September
Sonoita, AZ

Average visibility in September - Sonoita, 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).

Sonoita, Arizona, USA

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