September weather forecast
Oakton, KY

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Weather in September

September, the first month of the autumn in Oakton, is also a moderately hot month, with an average temperature fluctuating between 62.2°F (16.8°C) and 81.7°F (27.6°C).

Temperature

Oakton's entry into September measures an average high-temperature of a moderately hot 81.7°F (27.6°C), closely parallel to the preceding month. Oakton experiences an average nighttime temperature of 62.2°F (16.8°C) in the month of September.

Heat index

September's average heat index is evaluated at a hot 86°F (30°C). Continuous exposure and activity could induce a sense of tiredness and subsequently, heat cramps.
Research indicates the heat index considers values in shaded locales and with light winds. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.5" (38mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:24 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:40 pm CDT.

Sunshine

In Oakton, the average sunshine in September is 9.5h.

UV index

In Oakton, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What is the temperature in September?

The average high-temperature, in September, in Oakton, is 81.7°F (27.6°C), while the average low-temperature is 62.2°F (16.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is evaluated at 86°F (30°C).

What is the average humidity in September?

In September, the average relative humidity is 72%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.5" (38mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 11.8 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

When it does not snow in Oakton?

In Oakton, snow does not fall in April through October.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:40 pm CDT.

How many hours of sunshine does Oakton have in September?

In Oakton, the average sunshine duration in September is 9.5h.

What is the UV index intensity in September?

In Oakton, the average daily maximum UV index in September is 5. A UV Index value 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
Oakton, KY

Average temperature in September - Oakton, 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 (42.6°F).

  • Average low temperature in September: 62.2°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 (29.1°F).

Average pressure in September
Oakton, KY

Average pressure in September - Oakton, 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
Oakton, KY

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

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

Average humidity in September
Oakton, KY

Average humidity in September - Oakton, 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 (69%).

Average rainfall in September
Oakton, KY

Average rainfall in September - Oakton, KY
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in September
Oakton, KY

Average rainfall days in September - Oakton, KY
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (10.2 days).

Average snowfall in September
Oakton, KY

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

The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Oakton, KY

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

The month with the highest number of snowfall days is January (3.8 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
Oakton, KY

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

Average sunshine days in September
Oakton, KY

Average sunshine days in September - Oakton, KY
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is April (12.2 days).

Average UV index in September
Oakton, KY

Average UV index in September - Oakton, 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 and December (UV index 2).

Average cloud cover in September
Oakton, KY

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in September
Oakton, KY

Average visibility in September - Oakton, 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).

Oakton, Kentucky, USA

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