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
The beginning of September subtly marks a decrease in the average high-temperature, transitioning from a torrid 100.9°F (38.3°C) in August to a still fiery hot 95°F (35°C). In Youngtown, the nighttime temperature averages to a warm 77°F (25°C) during September.Humidity
In September, the average relative humidity is 30%.Rainfall
In Youngtown, in September, during 7.1 rainfall days, 1.18" (30mm) of precipitation is typically accumulated. In Youngtown, during the entire year, the rain falls for 60.7 days and collects up to 8.62" (219mm) of precipitation.Daylight
In September, the average length of the day is 12h and 22min.On the first day of September, sunrise is at 6:03 am and sunset at 6:54 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 6:14 pm MST.
Sunshine
In Youngtown, the average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 7 in September transforms into this advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Youngtown in September?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Youngtown have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Youngtown?
How high is the UV index in September?
Average temperature in September
Youngtown, AZ
- Average high temperature in September: 95°F
The warmest month (with the highest average high temperature) is July (101.7°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in September: 77°F
The month with the highest average low temperature is August (83.1°F).
The coldest months (with the lowest average low temperature) are January and December (46°F).
Average pressure in September
Youngtown, AZ
- Average pressure in September: 29.86"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in September
Youngtown, AZ
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in September
Youngtown, AZ
- Average humidity in September: 30%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Youngtown, AZ
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Youngtown, AZ
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is June (1.2 days).
Average daylight in September /
Average sunshine in September
Youngtown, 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 0min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Youngtown, AZ
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is May (28.2 days).
The month with the least sunshine days is July (15.2 days).
Average UV index in September
Youngtown, 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
Youngtown, AZ
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Youngtown, 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).
Youngtown, Arizona, USA
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