September weather forecast
Leander, KY

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Weather in September

September, the first month of the autumn in Leander, is still a warm month, with an average temperature fluctuating between 79.3°F (26.3°C) and 57.4°F (14.1°C).

Temperature

The transition into September subtly indicates a reduction in the average high-temperature, down to a still warm 79.3°F (26.3°C) from August's 85.8°F (29.9°C). Leander's nights during September are marked by a pronounced drop from daytime temperatures, experiencing an average low of 57.4°F (14.1°C).

Humidity

In September, the average relative humidity in Leander, Kentucky, is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 1.77" (45mm) of precipitation.

Snowfall

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

Daylight

In Leander, Kentucky, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 7:02 am and sunset at 8:00 pm. On the last day of September, in Leander, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

Sunshine

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

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 during September translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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Frequently asked questions

What is the temperature in September in Leander?

In Leander, in September, the average high-temperature is 79.3°F (26.3°C), and the average low-temperature is 57.4°F (14.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 96.8°F (36°C).

What is the average humidity in September in Leander?

In Leander, Kentucky, the average relative humidity in September is 76%.

What is the driest month in Leander?

September is the month with the least rainfall in Leander. Rain falls for 13 days and accumulates 1.77" (45mm) of precipitation.

How many days does it rain in September in Leander?

In September, in Leander, Kentucky, the rain falls for 13 days. Throughout September, 1.77" (45mm) of precipitation is accumulated.

When it does not snow in Leander?

In Leander, Kentucky, snow does not fall in May through September.

Does it snow in Leander in September?

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

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

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

What time are sunrise and sunset in September in Leander?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 8:00 pm. On the last day of the month, in Leander, sunrise is at 7:26 am and sunset at 7:15 pm EDT.

How long on average sun shines in September in Leander?

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

What is the UV index intensity in September in Leander?

In Leander, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to 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
Leander, KY

Average temperature in September - Leander, 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 (40.3°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in September
Leander, KY

Average pressure in September - Leander, 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
Leander, KY

Average wind speed in September - Leander, KY
  • Average wind speed in September: 4.4mph

The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in September
Leander, KY

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

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

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Average rainfall in September
Leander, KY

Average rainfall in September - Leander, KY
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in September
Leander, KY

Average rainfall days in September - Leander, KY
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.8 days).

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Average snowfall in September
Leander, KY

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

The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Leander, KY

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

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Leander, 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 month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Leander, KY

Average sunshine days in September - Leander, KY
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in September
Leander, KY

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

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Average cloud cover in September
Leander, KY

Average cloud cover in September - Leander, KY
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Leander, KY

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

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

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Leander, Kentucky, USA

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