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
September welcomes an average high-temperature of a still hot 88.9°F (31.6°C), not much different from the preceding month. An average low-temperature of 70.7°F (21.5°C) is observed during September nights in Hayden.Humidity
The average relative humidity in September is 38%.Rainfall
In Hayden, in September, it is raining for 10.4 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Hayden, Arizona, there are 83.1 rainfall days, and 11.81" (300mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall in Hayden.Daylight
In September, the average length of the day in Hayden is 12h and 22min.On the first day of September in Hayden, sunrise is at 5:58 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 6:08 pm MST.
Sunshine
In September, the average sunshine is 9.7h.UV index
In Hayden, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 7 during September translates into the following directions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
How hot is it in Hayden in September?
What is the average humidity in September in Hayden?
How much does it rain in Hayden in September?
When it does not snow in Hayden?
What is the average length of the day in September in Hayden?
When are sunrise and sunset in September in Hayden?
How many hours of sunshine does Hayden have in September?
What is the UV index reading in September in Hayden?
Average temperature in September
Hayden, AZ
- Average high temperature in September: 88.9°F
The warmest month (with the highest average high temperature) is June (95°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in September: 70.7°F
The month with the highest average low temperature is July (76.6°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in September
Hayden, AZ
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Hayden, AZ
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is May (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Hayden, AZ
- Average humidity in September: 38%
The month with the highest relative humidity is December (49%).
The month with the lowest relative humidity is June (19%).
Average rainfall in September
Hayden, AZ
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is July (1.81").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in September
Hayden, AZ
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (3.2 days).
Average snowfall days in September
Hayden, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Hayden, 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 August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Hayden, AZ
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is May (27.2 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Hayden, AZ
- Average UV index in September: 7
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in September
Hayden, AZ
- Average cloud cover in September: 14
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 8).
Average visibility in September
Hayden, 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).
Hayden, Arizona, USA
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