September weather forecast
Dover, KY

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Weather in September

September, the first month of the autumn in Dover, is still a warm month, with an average temperature ranging between min 57.9°F (14.4°C) and max 77.5°F (25.3°C).

Temperature

With the onset of September, Dover's climate undergoes a slight change as the average high-temperature moves from 83.7°F (28.7°C) in August to a still moderately hot 77.5°F (25.3°C). An average nighttime temperature of 57.9°F (14.4°C) is noted in Dover during the month of September.

Humidity

August through November, with an average relative humidity of 76%, are the least humid months.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.81" (46mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 7:05 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:19 pm EDT.

Sunshine

In September, the average sunshine in Dover is 8.3h.

UV index

In Dover, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the average September temperature in Dover?

In September, in Dover, the average high-temperature is 77.5°F (25.3°C), and the average low-temperature is 57.9°F (14.4°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 91.4°F (33°C).

What is the least humid month in Dover?

August through November, with an average relative humidity of 76%, are the least humid months in Dover, Kentucky.

What is the average humidity in September in Dover?

The average relative humidity in September is 76%.

What is the driest month in Dover?

September is the month with the least rainfall in Dover, Kentucky. Rain falls for 13.5 days and accumulates 1.81" (46mm) of precipitation.

How much does it rain in Dover in September?

In Dover, in September, during 13.5 rainfall days, 1.81" (46mm) of precipitation is typically accumulated.

When it does not snow in Dover?

May through September are months without snowfall in Dover, Kentucky.

Does it snow in Dover in September?

In Dover, Kentucky, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Dover have in September?

The average day length in September is 12h and 26min.

What time are sunrise and sunset in September in Dover?

On the first day of September in Dover, Kentucky, sunrise is at 7:05 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:19 pm EDT.

How many hours of sunshine does Dover have in September?

In Dover, Kentucky, the average sunshine duration in September is 8.3h.

What is the UV index reading in September in Dover?

In Dover, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Dover, KY

Average temperature in September - Dover, KY
  • Average high temperature in September: 77.5°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in September: 57.9°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

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Average pressure in September
Dover, KY

Average pressure in September - Dover, KY
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
Dover, KY

Average wind speed in September - Dover, KY
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in September
Dover, KY

Average humidity in September - Dover, KY
  • Average humidity in September: 76%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September, October and November (76%).

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Average rainfall in September
Dover, KY

Average rainfall in September - Dover, KY
  • Average rainfall in September: 1.81"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is September (1.81").

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Average rainfall days in September
Dover, KY

Average rainfall days in September - Dover, KY
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (10.2 days).

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Average snowfall in September
Dover, KY

Average snowfall in September - Dover, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Dover, KY

Average snowfall days in September - Dover, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Dover, KY

Average daylight in September / Average sunshine in September - Dover, KY
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in September
Dover, KY

Average sunshine days in September - Dover, KY
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (17.5 days).
The months with the least sunshine days are May and June (9.8 days).

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Average UV index in September
Dover, KY

Average UV index in September - Dover, KY
  • Average UV index in September: 4

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, November and December (UV index 2).

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Average cloud cover in September
Dover, KY

Average cloud cover in September - Dover, KY
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in September
Dover, KY

Average visibility in September - Dover, KY
  • Average visibility in September: 6mi

The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).

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Dover, Kentucky, USA

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