September weather forecast and climate
Avondale Heights, KY

September, the first month of the autumn, in Avondale Heights, is also a moderately hot month, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 61.9°F (16.6°C).

Temperature

In Avondale Heights, the average high-temperature in September is relatively the same as in August - a moderately hot 81.7°F (27.6°C). The average low-temperature, in September, is 61.9°F (16.6°C).

Heat index

The average heat index is estimated at a hot 86.2°F (30.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity 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 'feels like', 'felt air temperature', 'apparent temperature', or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Additional factors like clothing, differences in body mass, height, and shape, metabolic differences, and activity influence one's weather impression. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. 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

The average relative humidity in September is 72%.

Rainfall

September is the month with the least rainfall. Rain falls for 9 days and accumulates 0.91" (23mm) of precipitation.

Snowfall

In Avondale Heights snow does not fall in May through October.

Daylight

In Avondale Heights, the average length of the day is 12.4h.

Sunshine

The average sunshine in September is 9.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Avondale Heights?

In Avondale Heights, Kentucky, in September, the average high-temperature is 81.7°F (27.6°C), and the average low-temperature is 61.9°F (16.6°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 Avondale Heights?

In Avondale Heights, the average relative humidity in September is 72%.

How much does it rain in Avondale Heights in September?

In Avondale Heights, in September, during 9 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

What is the driest month in Avondale Heights?

The month with the least rainfall is September when the rain falls for 9 days and typically collects 0.91" (23mm) of precipitation.

When it does not snow in Avondale Heights?

May through October are months without snowfall in Avondale Heights.

How many hours of daylight does Avondale Heights have in September?

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

How many hours of sunshine does Avondale Heights have in September?

In September, the average sunshine in Avondale Heights, Kentucky, is 9.6h.

What is the UV index reading in September in Avondale Heights?

In Avondale Heights, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.
Average temperature in September - Avondale Heights, KY
  • Average high temperature in September: 81.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in September - Avondale Heights, 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 - Avondale Heights, KY
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in September - Avondale Heights, KY
  • Average humidity in September: 72%

Months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September - Avondale Heights, KY
  • Average rainfall in September: 0.91"

The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is September (0.91").

Average rainfall days in September - Avondale Heights, KY
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in September - Avondale Heights, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.02").
Months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September - Avondale Heights, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.8 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 - Avondale Heights, 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: 9.6h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
Months with the least sunshine are January and February (Average sunshine: 4.7).

Average sunshine days in September - Avondale Heights, KY
  • Average sunshine days in September: 19 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in September - Avondale Heights, KY
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September - Avondale Heights, KY
  • Average cloud cover in September: 27

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

Average visibility in September - Avondale Heights, 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).