Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As Ventana transitions from August to September, the average high-temperatures adjust to a still fiery hot 96.3°F (35.7°C), nearly the same as the previous 101.5°F (38.6°C). Ventana's nighttime temperature in September falls to an average of 79.5°F (26.4°C).Humidity
In Ventana, Arizona, the average relative humidity in September is 31%.Rainfall
In Ventana, during September, the rain falls for 8.2 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 58 rainfall days, and 6.69" (170mm) of precipitation is accumulated.Daylight
In Ventana, the average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 6:04 am and sunset at 6:52 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 6:14 pm MST.
Sunshine
In Ventana, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 7 during September, leads to the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. 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. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Ventana have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Ventana, AZ
- Average high temperature in September: 96.3°F
The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in September: 79.5°F
The month with the highest average low temperature is August (85.3°F).
The coldest month (with the lowest average low temperature) is December (47.7°F).
Average pressure in September
Ventana, AZ
- Average pressure in September: 29.81"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).
Average wind speed in September
Ventana, AZ
- Average wind speed in September: 6.6mph
The windiest months (with the highest average wind speed) are May and June (8.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in September
Ventana, AZ
- Average humidity in September: 31%
The month with the highest relative humidity is December (42%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Ventana, AZ
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is July (1.5").
The driest months (with the least rainfall) are April, May and June (0.08").
Average rainfall days in September
Ventana, AZ
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is May (1.3 days).
Average daylight in September /
Average sunshine in September
Ventana, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 4min
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).
Average sunshine days in September
Ventana, AZ
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in September
Ventana, 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).
Average cloud cover in September
Ventana, AZ
- Average cloud cover in September: 11
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Ventana, 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).
Ventana, Arizona, USA
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