September weather forecast and climate
Aurora, KY

September, the first month of the autumn, in Aurora, is also a moderately hot month, with temperature in the range of an average low of 62.1°F (16.7°C) and an average high of 81.5°F (27.5°C).

Temperature

In September, the average high-temperature slightly decreases, from a hot 87.3°F (30.7°C) in August, to a moderately hot 81.5°F (27.5°C). In Aurora, the average low-temperature is 62.1°F (16.7°C).

Heat index

The average heat index in September is calculated to a hot 86.2°F (30.1°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'apparent temperature', 'felt air temperature', or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like pregnancy, differences in body mass, height, and shape, wind, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Aurora is 73%.

Rainfall

The month with the least rainfall is September when the rain falls for 10.5 days and typically collects 0.91" (23mm) of precipitation.

Snowfall

In Aurora snow does not fall in April through October.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In Aurora, the average sunshine in September is 9.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to the UV radiation for the average person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Aurora?

The average high-temperature, in September, is 81.5°F (27.5°C), while the average low-temperature is 62.1°F (16.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), that takes the relative humidity and factores it into the air temperature reading, in September is appraised at 86.2°F (30.1°C).

What is the average humidity in September in Aurora?

The average relative humidity in September in Aurora is 73%.

How many days does it rain in September in Aurora?

In Aurora, in September, during 10.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

What is the driest month in Aurora?

September is the month with the least rainfall in Aurora. Rain falls for 10.5 days and accumulates 0.91" (23mm) of precipitation.

When it does not snow in Aurora?

In Aurora, Kentucky, snow does not fall in April through October.

What is the average length of the day in September in Aurora?

In Aurora, Kentucky, the average length of the day in September is 12.4h.

How many hours of sunshine does Aurora have in September?

The average sunshine in September in Aurora is 9.4h.

How high is the UV index in September in Aurora?

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Aurora, KY
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.9°F).

  • Average low temperature in September: 62.1°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 (28.8°F).

Average pressure in September - Aurora, KY
  • Average pressure in September: 30.03"

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

Average wind speed in September - Aurora, KY
  • Average wind speed in September: 6.2mph

The windiest months (with the highest average wind speed) are January, February, March and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in September - Aurora, KY
  • Average humidity in September: 73%

Months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September - Aurora, KY
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is February (2.36").
The driest month (with the least rainfall) is September (0.91").

Average rainfall days in September - Aurora, KY
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (7.7 days).

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

The month with the highest snowfall is February (0.94").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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

The month with the highest number of snowfall days is January (3.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Aurora, KY
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 9.4h

Months with the most sunshine are June and July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.6h).

Average sunshine days in September - Aurora, KY
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (12.3 days).

Average UV index in September - Aurora, KY
  • Average UV index in September: 5

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

Average cloud cover in September - Aurora, KY
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 51).
Months with the least cloud cover are June and September (Cloud cover 28).

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

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