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 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
In September, the average high-temperature marginally drops from a sweltering 96.1°F (35.6°C) in August to a hot 90.7°F (32.6°C). During September, the temperature tends to dip to an average of 74.1°F (23.4°C) at night.Humidity
In September, the average relative humidity is 32%.Rainfall
In September, the rain falls for 6.7 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. Throughout the year, there are 60.7 rainfall days, and 9.13" (232mm) of precipitation is accumulated.Snowfall
January through November are months without snowfall.Daylight
In Chilean Mill, the average length of the day in September is 12h and 22min.On the first day of September in Chilean Mill, Arizona, sunrise is at 6:03 am and sunset at 6:55 pm. On the last day of the month, sunrise is at 6:23 am and sunset at 6:14 pm MST.
Sunshine
In September, the average sunshine in Chilean Mill, Arizona, is 9.7h.UV index
In Chilean Mill, the average daily maximum UV index in September is 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, an average UV index of 7 transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. 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. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Chilean Mill in September?
What is the average humidity in September in Chilean Mill?
How many days does it rain in September in Chilean Mill?
When it does not snow in Chilean Mill?
What is the average length of the day in September in Chilean Mill?
When are sunrise and sunset in September in Chilean Mill?
How long on average sun shines in September in Chilean Mill?
What is the UV index reading in September in Chilean Mill?
Average temperature in September
Chilean Mill, AZ
- Average high temperature in September: 90.7°F
The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (58.8°F).
- Average low temperature in September: 74.1°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is December (43.3°F).
Average pressure in September
Chilean Mill, AZ
- Average pressure in September: 29.85"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
Chilean Mill, AZ
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (5.5mph).
Average humidity in September
Chilean Mill, AZ
- Average humidity in September: 32%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (17%).
Average rainfall in September
Chilean Mill, AZ
- Average rainfall in September: 1.14"
The wettest month (with the highest rainfall) is August (1.26").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Chilean Mill, AZ
- Average rainfall days in September: 6.7 days
The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (1.6 days).
Average snowfall days in September
Chilean Mill, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Chilean Mill, AZ
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- 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: 6h and 48min).
Average sunshine days in September
Chilean Mill, AZ
- Average sunshine days in September: 21 days
The month with the most sunshine days is May (28.3 days).
The month with the least sunshine days is August (17.1 days).
Average UV index in September
Chilean Mill, 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
Chilean Mill, AZ
- Average cloud cover in September: 9
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Chilean Mill, 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).
Chilean Mill, Arizona, USA
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