September weather forecast
Austin, KY

Share

Weather in September

The first month of the autumn, September, is also a moderately hot month in Austin, Kentucky, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 61°F (16.1°C).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 85.3°F (29.6°C) in August to a still warm 79.7°F (26.5°C). During the month of September, the temperature generally drops to a low average of 61°F (16.1°C).

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 1.77" (45mm) of precipitation.

Snowfall

In Austin, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of the month, sunrise is at 6:15 am and sunset at 7:12 pm. On the last day of September, sunrise is at 6:39 am and sunset at 6:28 pm CDT.

Sunshine

In Austin, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

What are the temperatures in September?

In Austin, 79.7°F (26.5°C) is the average high-temperature and 61°F (16.1°C) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 96.8°F (36°C).

What is the average humidity in September in Austin?

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

What is the driest month in Austin?

September is the month with the least rainfall. Rain falls for 14.2 days and accumulates 1.77" (45mm) of precipitation.

How many days does it rain in September?

In Austin, in September, it is raining for 14.2 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:15 am and sunset at 7:12 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:28 pm CDT.

How many hours of sunshine does Austin have in September?

The average sunshine duration in September is 8.5h.

How high is the UV index in September?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Austin, KY

Average temperature in September - Austin, KY
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (42.3°F).

  • Average low temperature in September: 61°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in September
Austin, KY

Average pressure in September - Austin, KY
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Austin, KY

Average wind speed in September - Austin, KY
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in September
Austin, KY

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

The months with the highest relative humidity are February, March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in September
Austin, KY

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

The wettest month (with the highest rainfall) is July (3.54").
The driest month (with the least rainfall) is September (1.77").

Average rainfall days in September
Austin, KY

Average rainfall days in September - Austin, KY
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in September
Austin, KY

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

The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Austin, KY

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

The month with the highest number of snowfall days is January (4.3 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
Austin, KY

Average daylight in September / Average sunshine in September - Austin, 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: 8h and 3min

The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Austin, KY

Average sunshine days in September - Austin, KY
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (9.9 days).

Average UV index in September
Austin, KY

Average UV index in September - Austin, 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).

Average cloud cover in September
Austin, KY

Average cloud cover in September - Austin, KY
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Austin, KY

Average visibility in September - Austin, KY
  • Average visibility in September: 6mi

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

Austin, Kentucky, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location