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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from 94.3°F in August to a still hot 88.9°F. Roosevelt records a mean low-temperature of 70.7°F in September.Humidity
In Roosevelt, Arizona, the average relative humidity in September is 38%.Rainfall
In September, in Roosevelt, the rain falls for 10.9 days. Throughout September, 1.89" of precipitation is accumulated. Throughout the year, in Roosevelt, there are 85.7 rainfall days, and 14.29" of precipitation is accumulated.Snowfall
January through March, September and December are months with snowfall in Roosevelt. September is the first month it typically snows in Roosevelt. Throughout September, in the average 0.1 snowfall days, it receives 0.04" of snow. Throughout the year, there are 1.7 snowfall days, and 1.61" of snow is accumulated.Daylight
In September, the average length of the day in Roosevelt is 12h and 22min.On the first day of September, sunrise is at 5:58 am and sunset at 6:50 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 6:10 pm MST.
Sunshine
In September, the average sunshine in Roosevelt is 9.7h.UV index
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 7 during September translates into the following directions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
FAQ
How hot is it in Roosevelt in September?
What is the average humidity in September in Roosevelt?
How many days does it rain in September in Roosevelt?
When does it start to snow in Roosevelt?
What is the average length of the day in September in Roosevelt?
What time are sunrise and sunset in September in Roosevelt?
How long on average sun shines in September in Roosevelt?
What is the UV index intensity in September in Roosevelt?
Average temperature in September
Roosevelt, AZ
- Average high temperature in September: 88.9°F
The warmest months (with the highest average high temperature) are June and July (95.5°F).
The month with the lowest average high temperature is December (57.9°F).
- Average low temperature in September: 70.7°F
The months with the highest average low temperature are July and August (76.5°F).
The coldest months (with the lowest average low temperature) are January and December (41.4°F).
Average pressure in September
Roosevelt, 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
Roosevelt, AZ
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is May (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Roosevelt, 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 (20%).
Average rainfall in September
Roosevelt, AZ
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is June (0.2").
Average rainfall days in September
Roosevelt, AZ
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is June (3.3 days).
Average snowfall in September
Roosevelt, AZ
- Average snowfall in September: 0.04"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, October and November (0").
Average snowfall days in September
Roosevelt, AZ
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, October and November (0 days).
Average daylight in September /
Average sunshine in September
Roosevelt, 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: 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
Roosevelt, AZ
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is May (27 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Roosevelt, 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
Roosevelt, AZ
- Average cloud cover in September: 13
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in September
Roosevelt, 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).
Roosevelt, Arizona, USA
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