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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from a tropical 87.8°F (31°C) in August to a moderately hot 81.9°F (27.7°C). The temperature lowers to an average of 61.9°F (16.6°C) during September nights.Heat index
The average heat index in September is appraised at a tropical 87.8°F (31°C). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.The standards for the heat index are set for locations in shade and under light breezes. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Humidity
In September, the average relative humidity in Dover is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 12.7 days and accumulates 1.89" (48mm) of precipitation.Snowfall
May through September 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 6:23 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:35 pm CDT.
Sunshine
In September, the average sunshine in Dover is 8.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Dover in September?
What is the average humidity in September in Dover?
What is the driest month in Dover?
How much does it rain in Dover in September?
When it does not snow in Dover?
Does it snow in Dover in September?
How many hours of daylight does Dover have in September?
What time are sunrise and sunset in September in Dover?
How many hours of sunshine does Dover have in September?
What is the UV index intensity in September in Dover?
Average temperature in September
Dover, TN
- Average high temperature in September: 81.9°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in September: 61.9°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).
Average pressure in September
Dover, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Dover, TN
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January, February and April (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in September
Dover, TN
- Average humidity in September: 74%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Dover, TN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Dover, TN
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Dover, TN
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Dover, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.8 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
Dover, 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 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Dover, TN
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in September
Dover, 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
Dover, TN
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in September
Dover, TN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
Dover, Tennessee, USA
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