September weather forecast
Dublin, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Dublin, Kentucky, with an average temperature varying between 81.7°F (27.6°C) and 62.4°F (16.9°C).

Temperature

Dublin's average high-temperature in September is a moderately hot 81.7°F (27.6°C), indicating a subtle variation from August. Dublin, in September, witnesses an average low-temperature of 62.4°F (16.9°C).

Heat index

In September, the heat index is computed to be a hot 86°F (30°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', combines both the air temperature and the humidity level to give a perceived human temperature. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.

Humidity

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 1.97" (50mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:26 am and sunset at 7:23 pm. On the last day of September, in Dublin, sunrise is at 6:50 am and sunset at 6:39 pm CDT.

Sunshine

The average sunshine in September is 9.5h.

UV index

In Dublin, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the UV index of 5 transforms into the following advice:
Exercise prevention - Warding off sunburn is urged. Around midday, solar radiation is most harmful; hence, exposure should be limited. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

The high-temperature, in September, in Dublin, is 81.7°F (27.6°C), while the low-temperature averages to 62.4°F (16.9°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is computed to be 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 72%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.6 days and typically collects 1.97" (50mm) of precipitation.

How many days does it rain in September?

In Dublin, in September, it is raining for 13.6 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 24min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:26 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:39 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.5h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Dublin, KY

Average temperature in September - Dublin, KY
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in September: 62.4°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in September
Dublin, KY

Average pressure in September - Dublin, KY
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Dublin, KY

Average wind speed in September - Dublin, KY
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are February and April (9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

Average humidity in September
Dublin, KY

Average humidity in September - Dublin, KY
  • Average humidity in September: 72%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in September
Dublin, KY

Average rainfall in September - Dublin, KY
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is April (4.69").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in September
Dublin, KY

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

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.7 days).

Average snowfall in September
Dublin, KY

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

The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Dublin, KY

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

The months with the highest number of snowfall days are January and February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Dublin, KY
  • 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 3min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Dublin, KY

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

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September
Dublin, KY

Average UV index in September - Dublin, 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
Dublin, KY

Average cloud cover in September - Dublin, KY
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 27).

Average visibility in September
Dublin, KY

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

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

Dublin, Kentucky, USA

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