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
The onset of September brings a small shift in high-temperatures, falling from 85.5°F (29.7°C) in August to a still moderately hot 79.7°F (26.5°C). Old Zion reports an average low-temperature of 59.7°F (15.4°C) during the nights of September.Humidity
In Old Zion, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.89" (48mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:14 am and sunset at 7:09 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:26 pm CDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Old Zion, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Old Zion have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Old Zion, TN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Old Zion, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Old Zion, TN
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Old Zion, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
Old Zion, TN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is February (3.82").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Old Zion, TN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in September
Old Zion, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Old Zion, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Old Zion, TN
- Average daylight in September: 12h and 2min
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 48min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Old Zion, TN
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in September
Old Zion, TN
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Old Zion, TN
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Old Zion, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, April, June, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July, August and September (5mi).
Old Zion, Tennessee, USA
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