September weather forecast
Helechawa, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Helechawa, Kentucky, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 57.4°F (14.1°C).

Temperature

A minor decrease in the average high-temperature is observed during September, shifting from a warm 85.6°F (29.8°C) in August to a still moderately hot 79.5°F (26.4°C). September in Helechawa, Kentucky, marked by an average low-temperature of 57.4°F (14.1°C), indicates a large temperature drop from the daytime peak.

Humidity

The average relative humidity in September in Helechawa is 76%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.1 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 7:04 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:17 pm EDT.

Sunshine

In September, the average sunshine in Helechawa is 8.3h.

UV index

The average daily maximum UV index in September in Helechawa is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 4 in September translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What is the average September temperature in Helechawa?

The high-temperature in Helechawa during September is 79.5°F (26.4°C) and the low-temperature is 57.4°F (14.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 96.8°F (36°C).

What is the average humidity in September in Helechawa?

In September, the average relative humidity is 76%.

What is the driest month in Helechawa?

September is the month with the least rainfall in Helechawa. Rain falls for 13.1 days and accumulates 1.93" (49mm) of precipitation.

How much does it rain in Helechawa in September?

In Helechawa, Kentucky, during September, the rain falls for 13.1 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When it does not snow in Helechawa?

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

Does it snow in Helechawa in September?

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

How many hours of daylight does Helechawa have in September?

In Helechawa, Kentucky, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Helechawa?

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:17 pm EDT.

How long on average sun shines in September in Helechawa?

In September, the average sunshine duration in Helechawa is 8.3h.

What is the UV index intensity in September in Helechawa?

In September, the average daily maximum UV index in Helechawa is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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
Helechawa, KY

Average temperature in September - Helechawa, KY
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in September
Helechawa, KY

Average pressure in September - Helechawa, KY
  • Average pressure in September: 30.05"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in September
Helechawa, KY

Average wind speed in September - Helechawa, KY
  • Average wind speed in September: 4.5mph

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Helechawa, KY

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

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).

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Average rainfall in September
Helechawa, KY

Average rainfall in September - Helechawa, KY
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in September
Helechawa, KY

Average rainfall days in September - Helechawa, KY
  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).

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Average snowfall in September
Helechawa, KY

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

The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Helechawa, KY

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

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Helechawa, 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 36min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Helechawa, KY

Average sunshine days in September - Helechawa, KY
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).

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Average UV index in September
Helechawa, KY

Average UV index in September - Helechawa, KY
  • Average UV index in September: 4

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).

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Average cloud cover in September
Helechawa, KY

Average cloud cover in September - Helechawa, KY
  • Average cloud cover in September: 35

The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in September
Helechawa, KY

Average visibility in September - Helechawa, KY
  • Average visibility in September: 5mi

The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).

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Helechawa, Kentucky, USA

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