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 in Franklin, Virginia, signals a gentle decrease in the average high-temperature, transitioning from a tropical 30.3°C (86.5°F) in August to a warm 27.1°C (80.8°F). During September, Franklin records an average temperature of 17.7°C (63.9°F) at night.Heat index
For September, the heat index is evaluated at a hot 30°C (86°F). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the feeling of heat when considering both air temperature and humidity. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Franklin is September, when the rain falls for 13 days and typically collects 58mm (2.28") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:39 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:52 pm EDT.
Sunshine
In Franklin, the average sunshine in September is 9.1h.UV index
The average daily maximum UV index in September in Franklin, Virginia, is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What are the temperatures in Franklin in September?
What is the average humidity in September in Franklin?
What is the driest month in Franklin?
How much does it rain in Franklin in September?
When it does not snow in Franklin?
How many hours of daylight does Franklin have in September?
When are sunrise and sunset in September in Franklin?
How many hours of sunshine does Franklin have in September?
What is the UV index intensity in September in Franklin?
Average temperature in September
Franklin, VA
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (8.2°C).
- Average low temperature in September: 17.7°C
The month with the highest average low temperature is July (21.3°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in September
Franklin, VA
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is November (1020.5mbar).
The month with the lowest atmospheric pressure is June (1014.4mbar).
Average wind speed in September
Franklin, VA
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is April (13.9km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Franklin, VA
- Average humidity in September: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is January (75%).
Average rainfall in September
Franklin, VA
- Average rainfall in September: 58mm
The wettest month (with the highest rainfall) is August (99mm).
The driest month (with the least rainfall) is September (58mm).
Average rainfall days in September
Franklin, VA
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in September
Franklin, VA
- Average snowfall in September: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Franklin, VA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.8 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
Franklin, VA
- 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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in September
Franklin, VA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in September
Franklin, VA
- 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 and December (UV index 2).
Average cloud cover in September
Franklin, VA
- Average cloud cover in September: 37
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in September
Franklin, VA
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (9km).
The month with the lowest visibility is August (8km).
Franklin, Virginia, USA
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