September weather forecastKayenta, AZ
September
Weather in September
The first month of the autumn, September, is still a warm month in Kayenta, Arizona, with an average temperature ranging between max 77.7°F (25.4°C) and min 60.1°F (15.6°C).Temperature
As Kayenta enters September, the average high-temperature subtly lowers from the a moderately hot 84.6°F (29.2°C) of August to a still warm 77.7°F (25.4°C). Throughout September, Kayenta records an average temperature of 60.1°F (15.6°C) at night.Humidity
The average relative humidity in September is 34%.Rainfall
In Kayenta, during September, the rain falls for 8.2 days and regularly aggregates up to 0.71" (18mm) of precipitation. In Kayenta, during the entire year, the rain falls for 75.5 days and collects up to 7.91" (201mm) of precipitation.Snowfall
In Kayenta, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:52 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:05 pm MDT.
Sunshine
In September, the average sunshine is 10.5h.UV index
In September, the average daily maximum UV index in Kayenta is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kayenta, AZ
- Average high temperature in September: 77.7°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Kayenta, AZ
- Average pressure in September: 29.94"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Kayenta, AZ
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in September
Kayenta, AZ
- Average humidity in September: 34%
The month with the highest relative humidity is January (67%).
The month with the lowest relative humidity is June (19%).
Average rainfall in September
Kayenta, AZ
- Average rainfall in September: 0.71"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in September
Kayenta, AZ
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is July (13.7 days).
The months with the least rainy days are February and June (3.3 days).
Average snowfall in September
Kayenta, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.8").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Kayenta, AZ
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and December (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kayenta, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in September
Kayenta, AZ
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is June (25.4 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in September
Kayenta, AZ
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Kayenta, AZ
- Average cloud cover in September: 10
The months with the most cloud cover are January and December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 9).
Average visibility in September
Kayenta, 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).





