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
September brings a minor shift in the average high-temperature, adjusting from 85.1°F (29.5°C) in August to a still moderately hot 79.7°F (26.5°C). During September, Lafayette records a consistent average nighttime temperature of 60.6°F (15.9°C).Humidity
The average relative humidity in September is 77%.Rainfall
In Lafayette, during September, the rain falls for 13.4 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Lafayette, during the entire year, the rain falls for 166.5 days and collects up to 35.55" (903mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Lafayette, the average length of the day in September is 12h and 24min.On the first day of September in Lafayette, Tennessee, sunrise is at 6:15 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:28 pm CDT.
Sunshine
In September, the average sunshine in Lafayette is 8.1h.UV index
In September, the average daily maximum UV index in Lafayette is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Around midday, solar radiation is most harmful; hence, exposure should be limited. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the usual temperature for Lafayette in September?
What is the average humidity in September in Lafayette?
How much does it rain in Lafayette in September?
When it does not snow in Lafayette?
How many hours of daylight does Lafayette have in September?
When are sunrise and sunset in September in Lafayette?
How many hours of sunshine does Lafayette have in September?
How high is the UV index in September in Lafayette?
Average temperature in September
Lafayette, TN
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (42.6°F).
- Average low temperature in September: 60.6°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Lafayette, 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 (29.96"Hg).
Average wind speed in September
Lafayette, TN
- Average wind speed in September: 5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Lafayette, 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
Lafayette, TN
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in September
Lafayette, TN
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Lafayette, TN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Lafayette, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5 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
Lafayette, 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 months with the most sunshine are June and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Lafayette, TN
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Lafayette, 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
Lafayette, TN
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in September
Lafayette, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
Lafayette, Tennessee, USA
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