September weather forecast and climate
Big Sandy Junction, KY

September, the first month of the autumn, in Big Sandy Junction, is also a moderately hot month, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 58.1°F (14.5°C).

Temperature

In Big Sandy Junction, the average high-temperature marginally drops, from a moderately hot 85.6°F (29.8°C) in August, to a still warm 79.3°F (26.3°C). In Big Sandy Junction, in September, the average low-temperature is 58.1°F (14.5°C).

Humidity

In September, the average relative humidity in Big Sandy Junction is 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.4 days and accumulates 1.42" (36mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

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

Sunshine

The average sunshine in Big Sandy Junction is 8.2h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against sun damage is advised. 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 Big Sandy Junction?

In Big Sandy Junction, in September, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 58.1°F (14.5°C).

What is the average humidity in September in Big Sandy Junction?

In Big Sandy Junction, the average relative humidity in September is 75%.

How much does it rain in Big Sandy Junction in September?

In Big Sandy Junction, Kentucky, during September, the rain falls for 11.4 days and regularly aggregates up to 1.42" (36mm) of precipitation.

What is the driest month in Big Sandy Junction?

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

Does it snow in Big Sandy Junction in September?

In Big Sandy Junction, Kentucky, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Big Sandy Junction?

In Big Sandy Junction, Kentucky, snow does not fall in May through September.

How many hours of daylight does Big Sandy Junction have in September?

The average length of the day in September in Big Sandy Junction is 12.4h.

How many hours of sunshine does Big Sandy Junction have in September?

In Big Sandy Junction, the average sunshine in September is 8.2h.

How high is the UV index in September in Big Sandy Junction?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Big Sandy Junction, KY
  • Average high temperature in September: 79.3°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in September - Big Sandy Junction, KY
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.16").
The month with the lowest atmospheric pressure is June (29.97").

Average wind speed in September - Big Sandy Junction, KY
  • Average wind speed in September: 4.6mph

The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September - Big Sandy Junction, KY
  • Average humidity in September: 75%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September - Big Sandy Junction, KY
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in September - Big Sandy Junction, KY
  • Average rainfall days in September: 11.4 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September - Big Sandy Junction, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.54").
Months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September - Big Sandy Junction, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Big Sandy Junction, KY
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in September: 8.2h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is January (Average sunshine: 3.9h).

Average sunshine days in September - Big Sandy Junction, KY
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is May (10.2 days).

Average UV index in September - Big Sandy Junction, KY
  • Average UV index in September: 4

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 - Big Sandy Junction, KY
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September - Big Sandy Junction, KY
  • Average visibility in September: 5mi

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