September weather forecastAchi, AZ
September
Weather in September
The first month of the autumn, September, is also a hot month in Achi, Arizona, with an average temperature varying between 73.6°F (23.1°C) and 91.2°F (32.9°C).Temperature
As September takes hold, the average high-temperature is a tropical 91.2°F (32.9°C), nearly mirroring that of the previous month. In Achi, an average nighttime temperature of 73.6°F (23.1°C) is expected during September.Humidity
The average relative humidity in September is 39%.Rainfall
In Achi, during September, the rain falls for 7.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 52.9 rainfall days, and 6.46" (164mm) of precipitation is accumulated.Daylight
In Achi, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 6:03 am and sunset at 6:51 pm. On the last day of September, sunrise is at 6:21 am and sunset at 6:13 pm MST.
Sunshine
In September, the average sunshine 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 hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 7 leads to the following instructions:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. 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
Average temperature in September
Achi, AZ
- Average high temperature in September: 91.2°F
The warmest month (with the highest average high temperature) is June (97.3°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in September: 73.6°F
The month with the highest average low temperature is July (78.6°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure in September
Achi, AZ
- Average pressure in September: 29.83"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed in September
Achi, AZ
- Average wind speed in September: 6.7mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in September
Achi, AZ
- Average humidity in September: 39%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (20%).
Average rainfall in September
Achi, AZ
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in September
Achi, AZ
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is May (1 days).
Average daylight in September /
Average sunshine in September
Achi, AZ
- Average daylight in September: 12h and 24min
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 42min
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 54min).
Average sunshine days in September
Achi, AZ
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is May (29.8 days).
The month with the least sunshine days is August (17.2 days).
Average UV index in September
Achi, AZ
- Average UV index in September: 7
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Achi, AZ
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Achi, 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).
