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 snowfall in September
- Average snowfall 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
Three Way's weather subtly changes with the onset of September, barely falling from a tropical 89.2°F (31.8°C) in August to a moderately hot 83.3°F (28.5°C). In Three Way, an average nighttime temperature of 63°F (17.2°C) is expected during September.Heat index
For most parts of September, the heat index is evaluated at 82.4°F (28°C). Uninterrupted exposure and activity might result in fatigue, potentially causing heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an estimation of the warmth sensation when considering humidity levels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. 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 September, the average relative humidity is 43%.Rainfall
In Three Way, Arizona, in September, during 12.1 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. In Three Way, during the entire year, the rain falls for 92.3 days and collects up to 12.13" (308mm) of precipitation.Snowfall
In Three Way, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 5:51 am and sunset at 6:41 pm. On the last day of September, sunrise is at 6:10 am and sunset at 6:02 pm MST.
Sunshine
In September, the average sunshine is 10.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 6 in September translates into this advice:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Three Way have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Three Way have in September?
What is the UV index intensity in September?
Average temperature in September
Three Way, AZ
- Average high temperature in September: 83.3°F
The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in September
Three Way, AZ
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Three Way, AZ
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is December (5.1mph).
Average humidity in September
Three Way, AZ
- Average humidity in September: 43%
The month with the highest relative humidity is December (53%).
The month with the lowest relative humidity is June (22%).
Average rainfall in September
Three Way, AZ
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is April (0.2").
Average rainfall days in September
Three Way, AZ
- Average rainfall days in September: 12.1 days
The months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is May (3.5 days).
Average snowfall in September
Three Way, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is December (0.87").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Three Way, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Three Way, 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: 10h and 3min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in September
Three Way, AZ
- Average sunshine days in September: 14 days
The month with the most sunshine days is May (26.4 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in September
Three Way, AZ
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Three Way, AZ
- Average cloud cover in September: 15
The month with the most cloud cover is December (Cloud cover 22).
The months with the least cloud cover are May and June (Cloud cover 9).
Average visibility in September
Three Way, 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).
Three Way, Arizona, USA
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