September weather forecast and climate
Barlow, KY

The first month of the autumn, September, is also a moderately hot month in Barlow, Kentucky, with average temperature fluctuating between 81.5°F (27.5°C) and 61.9°F (16.6°C).

Temperature

In Barlow, the average high-temperature in September is almost the same as in August - a warm 81.5°F (27.5°C). In Barlow, in September, the average low-temperature is 61.9°F (16.6°C).

Heat index

The average heat index in September is appraised at 85.8°F (29.9°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. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'feels like', 'apparent temperature', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is individual, with diverse people perceiving weather differently for numerous reasons (clothing, pregnancy, metabolic differences), and activity. 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. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In Barlow, Kentucky, the average relative humidity in September is 72%.

Rainfall

The month with the least rainfall is September when the rain falls for 11.4 days and typically collects 1.42" (36mm) of precipitation.

Snowfall

In Barlow snow does not fall in May through September.

Daylight

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

Sunshine

In September, the average sunshine is 9.6h.

UV index

In Barlow, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Barlow?

The average high-temperature, in September, is 81.5°F (27.5°C), while the average low-temperature is 61.9°F (16.6°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), that combines relative humidity and air temperature, is estimated at 85.8°F (29.9°C).

What is the average humidity in September in Barlow?

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

How many days does it rain in September in Barlow?

In Barlow, Kentucky, in September, during 11.4 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

What is the driest month in Barlow?

The month with the least rainfall in Barlow is September when the rain falls for 11.4 days and typically collects 1.42" (36mm) of precipitation.

Does it snow in Barlow in September?

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

When it does not snow in Barlow?

May through September are months without snowfall in Barlow.

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

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

How long on average sun shines in September in Barlow?

The average sunshine in September in Barlow is 9.6h.

What is the UV index reading in September in Barlow?

In September, the average daily maximum UV index in Barlow is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Barlow, 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 (41.2°F).

  • Average low temperature in September: 61.9°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 (28.4°F).

Average pressure in September - Barlow, KY
  • Average pressure in September: 30.02"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.94").

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

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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

Months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September - Barlow, KY
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in September - Barlow, KY
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).

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

The month with the highest snowfall is February (1.5").
Months with the least snowfall are May, June, July, August and September (0").

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

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

Average daylight in September / Average sunshine in September - Barlow, 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

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days in September - Barlow, KY
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in September - Barlow, 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 - Barlow, KY
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in September - Barlow, 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).