September weather forecast and climate
Naco, AZ

Weather in September

September, the first month of the autumn, in Naco, is still a warm month, with average temperature varying between 83.1°F (28.4°C) and 64°F (17.8°C).

Temperature

In Naco, the average high-temperature in September is essentially the same as in August - a warm 83.1°F (28.4°C). The average low-temperature, in September, is 64°F (17.8°C).

Heat index

The average heat index in September is calculated to be 83.7°F (28.7°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'felt air temperature', or 'apparent temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, metabolic differences, clothing, and pregnancy affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Naco, the average relative humidity is 48%.

Rainfall

In Naco, Arizona, in September, during 10.6 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. Throughout the year, there are 82 rainfall days, and 11.85" (301mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day in Naco, Arizona, is 12.3h.

Sunshine

In September, the average sunshine is 10.1h.

UV index

In Naco, Arizona, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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.
[Resources]

FAQ

What is the temperature in September in Naco?

The average high-temperature, in September, is 83.1°F (28.4°C), while the average low-temperature is 64°F (17.8°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 83.7°F (28.7°C).

What is the average humidity in September in Naco?

The average relative humidity in September in Naco, Arizona, is 48%.

How many days does it rain in September in Naco?

In Naco, during September, the rain falls for 10.6 days and regularly aggregates up to 1.65" (42mm) of precipitation.

When it does not snow in Naco?

April through October are months without snowfall in Naco.

How many hours of daylight does Naco have in September?

The average length of the day in September in Naco, Arizona, is 12.3h.

How many hours of sunshine does Naco have in September?

In September, the average sunshine in Naco, Arizona, is 10.1h.

What is the UV index reading in September in Naco?

The average daily maximum UV index in September in Naco is 6. A UV Index value of 6 to 7 symbolizes a high health threat from the exposure to the Sun's UV rays.

Average temperature in September
Naco, AZ

Average temperature in September - Naco, AZ
  • Average high temperature in September: 83.1°F

The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in September: 64°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

[Resources]

Average pressure in September
Naco, AZ

Average pressure in September - Naco, AZ
  • Average pressure in September: 29.91"

The month with the highest atmospheric pressure is January (30.08").
The month with the lowest atmospheric pressure is June (29.85").

[Resources]

Average wind speed in September
Naco, AZ

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

The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

[Resources]

Average humidity in September
Naco, AZ

Average humidity in September - Naco, AZ
  • Average humidity in September: 48%

The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is May (22%).

[Resources]

Average rainfall in September
Naco, AZ

Average rainfall in September - Naco, AZ
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are April and May (0.08").

[Resources]

Average rainfall days in September
Naco, AZ

Average rainfall days in September - Naco, AZ
  • Average rainfall days in September: 10.6 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is May (2 days).

[Resources]

Average snowfall in September
Naco, AZ

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

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

[Resources]

Average snowfall days in September
Naco, AZ

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

The month with the highest number of snowfall days is December (1.2 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

[Resources]

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

Average daylight in September / Average sunshine in September - Naco, AZ
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 14.2h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in September: 10.1h

The month with the most sunshine is August (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

[Resources]

Average sunshine days in September
Naco, AZ

Average sunshine days in September - Naco, AZ
  • Average sunshine days in September: 14.9 days

The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (7.8 days).

[Resources]

Average UV index in September
Naco, AZ

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

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

[Resources]

Average cloud cover in September
Naco, AZ

Average cloud cover in September - Naco, AZ
  • Average cloud cover in September: 16

The month with the most cloud cover is July (Cloud cover 22).
The month with the least cloud cover is May (Cloud cover 7).

[Resources]

Average visibility in September
Naco, AZ

Average visibility in September - Naco, AZ
  • 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location