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
With the arrival of September, Jeffers experiences a modest decline in average high-temperatures, transitioning from a warm 84.2°F (29°C) in August to a still moderately hot 78.3°F (25.7°C). Marked by a significant temperature drop from daytime highs, the average nighttime temperature lowers to a refreshing 56.5°F (13.6°C) throughout September.Humidity
In Jeffers, Tennessee, the average relative humidity in September is 79%.Rainfall
September and November are months with the least rain when the rain falls for 13.6 days and typically aggregates up to 2.56" (65mm) of rain.Snowfall
In Jeffers, Tennessee, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Jeffers, sunrise is at 7:09 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:22 pm EDT.
Sunshine
In September, the average sunshine in Jeffers is 7.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What is the average September temperature in Jeffers?
What is the average humidity in September in Jeffers?
What is the driest month in Jeffers?
How much does it rain in Jeffers in September?
When it does not snow in Jeffers?
Does it snow in Jeffers in September?
What is the average length of the day in September in Jeffers?
When are sunrise and sunset in September in Jeffers?
How many hours of sunshine does Jeffers have in September?
What is the UV index reading in September in Jeffers?
Average temperature in September
Jeffers, TN
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in September
Jeffers, 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
Jeffers, TN
- Average wind speed in September: 4mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Jeffers, TN
- Average humidity in September: 79%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is June (77%).
Average rainfall in September
Jeffers, TN
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is February (4.53").
The driest months (with the least rainfall) are September and November (2.56").
Average rainfall days in September
Jeffers, TN
- Average rainfall days in September: 13.6 days
The months with the highest number of rainy days are May and July (18.8 days).
The month with the least rainy days is November (9.9 days).
Average snowfall in September
Jeffers, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Jeffers, TN
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jeffers, 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: 7h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Jeffers, TN
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in September
Jeffers, TN
- Average UV index in September: 5
The months with the highest UV index are 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
Jeffers, TN
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in September
Jeffers, TN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Jeffers, Tennessee, USA
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