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
On the advent of September, Why's average high-temperature exhibits a minor adjustment to a still torrid 96.3°F (35.7°C) from August's 101.5°F (38.6°C). An average temperature of 79.5°F (26.4°C) marks the nights in September.Humidity
In Why, the average relative humidity in September is 31%.Rainfall
In Why, in September, it is raining for 8.2 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, in Why, there are 58 rainfall days, and 6.69" (170mm) of precipitation is accumulated.Daylight
In Why, the average length of the day in September is 12h and 21min.On the first day of September, sunrise is at 6:06 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 6:16 pm MST.
Sunshine
In Why, Arizona, the average sunshine in September is 9.7h.UV index
In September, the average daily maximum UV index in Why, Arizona, is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Why in September?
What is the average humidity in September in Why?
How much does it rain in Why in September?
What is the average length of the day in September in Why?
What time are sunrise and sunset in September in Why?
How long on average sun shines in September in Why?
What is the UV index reading in September in Why?
Average temperature in September
Why, 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
Why, 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
Why, 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
Why, 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
Why, 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
Why, 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
Why, 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 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
Why, 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
Why, 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
Why, 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
Why, 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).
Why, Arizona, USA
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