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 start of September marks an average high-temperature of a warm 82.2°F (27.9°C), hardly distinguishable from the conditions in August. Nighttime temperatures in September average to an enjoyable 63.7°F (17.6°C).Heat index
September's heat index is calculated to be a hot 87.8°F (31°C). If one endures exposure and continues to be active, it might result in tiredness and heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In Friendship, Tennessee, the average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall in Friendship. Rain falls for 8.8 days and accumulates 0.51" (13mm) of precipitation.Snowfall
In Friendship, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:24 pm. On the last day of September, in Friendship, sunrise is at 6:51 am and sunset at 6:41 pm CDT.
Sunshine
In Friendship, the average sunshine in September is 9.6h.UV index
In Friendship, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Friendship?
What is the average humidity in September in Friendship?
What is the driest month in Friendship?
How many days does it rain in September in Friendship?
When it does not snow in Friendship?
What is the average length of the day in September in Friendship?
What time are sunrise and sunset in September in Friendship?
How long on average sun shines in September in Friendship?
What is the UV index intensity in September in Friendship?
Average temperature in September
Friendship, TN
- Average high temperature in September: 82.2°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in September
Friendship, TN
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Friendship, TN
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Friendship, TN
- Average humidity in September: 73%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Friendship, TN
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in September
Friendship, TN
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is November (7.1 days).
Average snowfall in September
Friendship, TN
- Average snowfall in September: 0"
The months with the highest snowfall are February, March and December (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Friendship, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 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
Friendship, 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: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Friendship, TN
- Average sunshine days in September: 18.7 days
The months with the most sunshine days are October and November (21.3 days).
The month with the least sunshine days is July (14.2 days).
Average UV index in September
Friendship, TN
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in September
Friendship, TN
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Friendship, TN
- 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).
Friendship, Tennessee, USA
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