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
In Saint George, Utah, the average high-temperature in September slightly decreases from a tropical 92.3°F (33.5°C) in August to a moderately hot 85.1°F (29.5°C). In September, the average low-temperature is 64.6°F (18.1°C).Humidity
In Saint George, the average relative humidity in September is 29%.Rainfall
In Saint George, during September, the rain falls for 4.9 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Saint George, during the entire year, the rain falls for 66.6 days and collects up to 6.97" (177mm) of precipitation.Snowfall
In Saint George, snow does not fall in March through October.Daylight
In Saint George, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:03 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:19 pm MDT.
Sunshine
The average sunshine in September is 9.9h.UV index
In Saint George, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
FAQ
What is the temperature in September in Saint George?
What is the average humidity in September in Saint George?
How many days does it rain in September in Saint George?
When it does not snow in Saint George?
How many hours of daylight does Saint George have in September?
What time are sunrise and sunset in September in Saint George?
How long on average sun shines in September in Saint George?
How high is the UV index in September in Saint George?
Average temperature in September
Saint George, UT
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is December (47.7°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is December (31.6°F).
Average pressure in September
Saint George, UT
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in September
Saint George, UT
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest months (with the lowest average wind speed) are August and December (5.3mph).
Average humidity in September
Saint George, UT
- Average humidity in September: 29%
The month with the highest relative humidity is January (59%).
The month with the lowest relative humidity is June (18%).
Average rainfall in September
Saint George, UT
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is March (0.98").
The driest month (with the least rainfall) is June (0.12").
Average rainfall days in September
Saint George, UT
- Average rainfall days in September: 4.9 days
The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.8 days).
Average snowfall in September
Saint George, UT
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in September
Saint George, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.8 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
Saint George, UT
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 40min).
The month with the shortest days is December (Average daylight: 9h and 40min).
- Average sunshine in September: 9h and 54min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Saint George, UT
- Average sunshine days in September: 21.5 days
The month with the most sunshine days is June (26.3 days).
The month with the least sunshine days is July (17.9 days).
Average UV index in September
Saint George, UT
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Saint George, UT
- Average cloud cover in September: 8
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in September
Saint George, UT
- 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).
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