September weather forecast
Deane, KY

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Weather in September

September, the first month of the autumn in Deane, is also a moderately hot month, with an average temperature fluctuating between 55.6°F (13.1°C) and 77.2°F (25.1°C).

Temperature

Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 82.8°F (28.2°C) to a still moderately hot 77.2°F (25.1°C). Deane witnesses a consistent, sharp contrast from the daytime highs, with an average low-temperature of 55.6°F (13.1°C) throughout September.

Humidity

In Deane, the average relative humidity in September is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 16.3 days and typically collects 2.48" (63mm) of precipitation.

Snowfall

In Deane, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

Sunshine

The average sunshine in September is 8.1h.

UV index

In Deane, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum UV index of 4 during September translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Deane in September?

An average high-temperature, in September, in Deane, is 77.2°F (25.1°C) and the average low-temperature is 55.6°F (13.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is estimated at 89.6°F (32°C).

What is the average humidity in September?

In Deane, the average relative humidity in September is 78%.

What is the driest month?

The month with the least rainfall in Deane is September, when the rain falls for 16.3 days and typically collects 2.48" (63mm) of precipitation.

How much does it rain in September?

In Deane, Kentucky, during September, the rain falls for 16.3 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow?

In Deane, snow does not fall in June through September.

Does it snow in September?

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

How many hours of daylight does Deane have in September?

The average day length in September is 12h and 25min.

What time are sunrise and sunset in September in Deane?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

How long on average sun shines in September?

In Deane, the average sunshine duration in September is 8.1h.

How high is the UV index in September in Deane?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
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
Deane, KY

Average temperature in September - Deane, KY
  • Average high temperature in September: 77.2°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in September: 55.6°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in September
Deane, KY

Average pressure in September - Deane, KY
  • Average pressure in September: 30.05"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in September
Deane, KY

Average wind speed in September - Deane, KY
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in September
Deane, KY

Average humidity in September - Deane, KY
  • Average humidity in September: 78%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is November (76%).

Average rainfall in September
Deane, KY

Average rainfall in September - Deane, KY
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (2.48").

Average rainfall days in September
Deane, KY

Average rainfall days in September - Deane, KY
  • Average rainfall days in September: 16.3 days

The months with the highest number of rainy days are May and July (20.8 days).
The month with the least rainy days is February (12.6 days).

Average snowfall in September
Deane, KY

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

The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Deane, KY

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

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Deane, KY

Average sunshine days in September - Deane, KY
  • Average sunshine days in September: 12.2 days

The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is May (8 days).

Average UV index in September
Deane, KY

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

The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Deane, KY

Average cloud cover in September - Deane, KY
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Deane, KY

Average visibility in September - Deane, KY
  • Average visibility in September: 5mi

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

Deane, Kentucky, USA

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