September weather forecast
Donansburg, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Donansburg, Kentucky, with an average temperature varying between 59.9°F (15.5°C) and 79.2°F (26.2°C).

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from a warm 85.1°F (29.5°C) in August to a still moderately hot 79.2°F (26.2°C). Donansburg's average low-temperature in the month of September is recorded at a moderate 59.9°F (15.5°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 2.32" (59mm) of precipitation.

Snowfall

In Donansburg, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 6:13 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:26 pm CDT.

Sunshine

In Donansburg, Kentucky, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 5 in September leads to these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In Donansburg, in September, the average high-temperature is 79.2°F (26.2°C), and the average low-temperature is 59.9°F (15.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is estimated at 95°F (35°C).

What is the average humidity in September?

In September, the average relative humidity is 76%.

What is the driest month in Donansburg?

The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 2.32" (59mm) of precipitation.

How much does it rain in September?

In Donansburg, in September, it is raining for 13.6 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:13 am and sunset at 7:10 pm. On the last day of the month, sunrise is at 6:37 am and sunset at 6:26 pm CDT.

How long on average sun shines in September?

In Donansburg, the average sunshine duration in September is 8.2h.

What is the UV index intensity in September?

In Donansburg, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat 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
Donansburg, KY

Average temperature in September - Donansburg, KY
  • Average high temperature in September: 79.2°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average pressure in September
Donansburg, KY

Average pressure in September - Donansburg, KY
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Donansburg, KY

Average wind speed in September - Donansburg, KY
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Donansburg, KY

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

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
Donansburg, KY

Average rainfall in September - Donansburg, KY
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is September (2.32").

Average rainfall days in September
Donansburg, KY

Average rainfall days in September - Donansburg, KY
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in September
Donansburg, KY

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

The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Donansburg, KY

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

The month with the highest number of snowfall days is January (7.4 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
Donansburg, KY

Average daylight in September / Average sunshine in September - Donansburg, 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 August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in September
Donansburg, KY

Average sunshine days in September - Donansburg, KY
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in September
Donansburg, KY

Average UV index in September - Donansburg, KY
  • 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
Donansburg, KY

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

The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Donansburg, KY

Average visibility in September - Donansburg, 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).

Donansburg, Kentucky, USA

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