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
Entering September, Sierra Vista's average high-temperature reads a moderately hot 81.7°F (27.6°C), indicating a close resemblance to the previous month's climate. Sierra Vista's nighttime temperature in September drops to an average of 63.1°F (17.3°C).Heat index
For September, the heat index is calculated to be 82.4°F (28°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.In the scope of the heat index, its values resonate with shade and light wind conditions. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', shows a temperature sensation when both heat and moisture conditions are combined. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
September is the most humid month in Sierra Vista, with an average relative humidity of 50%.Rainfall
In Sierra Vista, during September, the rain falls for 12.9 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, in Sierra Vista, there are 92.2 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
April through November are months without snowfall.Daylight
In Sierra Vista, Arizona, the average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 5:57 am and sunset at 6:44 pm. On the last day of September, in Sierra Vista, Arizona, sunrise is at 6:14 am and sunset at 6:06 pm MST.
Sunshine
In Sierra Vista, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September in Sierra Vista is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 suggests this advice:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. 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. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What is the temperature in September in Sierra Vista?
What is the most humid month in Sierra Vista?
What is the average humidity in September in Sierra Vista?
How much does it rain in Sierra Vista in September?
When it does not snow in Sierra Vista?
What is the average length of the day in September in Sierra Vista?
When are sunrise and sunset in September in Sierra Vista?
How many hours of sunshine does Sierra Vista have in September?
What is the UV index intensity in September in Sierra Vista?
Average temperature in September
Sierra Vista, AZ
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is June (90.1°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in September: 63.1°F
The month with the highest average low temperature is July (69.6°F).
The coldest months (with the lowest average low temperature) are January and December (37.8°F).
Average pressure in September
Sierra Vista, AZ
- Average pressure in September: 29.89"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in September
Sierra Vista, AZ
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Sierra Vista, AZ
- Average humidity in September: 50%
The month with the highest relative humidity is September (50%).
The months with the lowest relative humidity are May and June (23%).
Average rainfall in September
Sierra Vista, AZ
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.12").
Average rainfall days in September
Sierra Vista, AZ
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is May (2.3 days).
Average snowfall in September
Sierra Vista, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Sierra Vista, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sierra Vista, AZ
- Average daylight in September: 12h and 2min
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 5min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Sierra Vista, AZ
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (6.5 days).
Average UV index in September
Sierra Vista, AZ
- Average UV index in September: 6
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Sierra Vista, AZ
- Average cloud cover in September: 17
The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 8).
Average visibility in September
Sierra Vista, 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).
Sierra Vista, Arizona, USA
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