September weather forecast
Smilax, KY

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Weather in September

September, the first month of the autumn in Smilax, is also a moderately hot month, with an average temperature varying between 56.3°F (13.5°C) and 78.3°F (25.7°C).

Temperature

With the arrival of September, Smilax notices a mild change in the average high-temperature, sliding from August's 84.2°F (29°C) to a still moderately hot 78.3°F (25.7°C). Contrasting the daytime warmth, Smilax's September nights cool down to an average of 56.3°F (13.5°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.46" (37mm) of precipitation.

Snowfall

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

Daylight

In Smilax, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 7:04 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:17 pm EDT.

Sunshine

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

UV index

In Smilax, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What are September temperatures in Smilax?

In Smilax, in September, the average high-temperature is 78.3°F (25.7°C), and the average low-temperature is 56.3°F (13.5°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 1.46" (37mm) of precipitation.

How much does it rain in September?

In Smilax, in September, during 13.4 rainfall days, 1.46" (37mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:04 am and sunset at 8:01 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 September, the average sunshine duration is 8.3h.

How high is the UV index in September?

In Smilax, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Smilax, KY

Average temperature in September - Smilax, KY
  • Average high temperature in September: 78.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in September: 56.3°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in September
Smilax, KY

Average pressure in September - Smilax, 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).

Average wind speed in September
Smilax, KY

Average wind speed in September - Smilax, KY
  • Average wind speed in September: 4.2mph

The windiest month (with the highest average wind speed) is April (6.7mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in September
Smilax, KY

Average humidity in September - Smilax, KY
  • Average humidity in September: 77%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is November (75%).

Average rainfall in September
Smilax, KY

Average rainfall in September - Smilax, KY
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in September
Smilax, KY

Average rainfall days in September - Smilax, KY
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (10.5 days).

Average snowfall in September
Smilax, KY

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

The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Smilax, KY

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

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Smilax, 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 42min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Smilax, KY

Average sunshine days in September - Smilax, KY
  • Average sunshine days in September: 14 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is May (9.7 days).

Average UV index in September
Smilax, KY

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

The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Smilax, KY

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

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Smilax, KY

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

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

Smilax, Kentucky, USA

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