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 average high-temperature slightly decreases in September, shifting from a warm 85.6°F (29.8°C) in August to a still moderately hot 79.7°F (26.5°C). In Allons, September nights cool down to an average of 59.5°F (15.3°C).Humidity
In Allons, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall. Rain falls for 12.5 days and accumulates 1.97" (50mm) of precipitation.Snowfall
In Allons, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September in Allons, sunrise is at 6:13 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:25 pm CDT.
Sunshine
The average sunshine in September in Allons is 8.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are September temperatures in Allons?
What is the average humidity in September in Allons?
What is the driest month in Allons?
How much does it rain in Allons in September?
When it does not snow in Allons?
Does it snow in Allons in September?
What is the average length of the day in September in Allons?
When are sunrise and sunset in September in Allons?
How many hours of sunshine does Allons have in September?
What is the UV index intensity in September in Allons?
Average temperature in September
Allons, TN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 59.5°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 (28.8°F).
Average pressure in September
Allons, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Allons, TN
- Average wind speed in September: 4.4mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in September
Allons, TN
- Average humidity in September: 77%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Allons, TN
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is February (4.02").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in September
Allons, TN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in September
Allons, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Allons, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.6 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
Allons, 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 42min).
- 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 18min).
Average sunshine days in September
Allons, TN
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Allons, 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
Allons, 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
Allons, 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).
Allons, Tennessee, USA
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