September weather forecast
Saint Catharine, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Saint Catharine, Kentucky, with an average temperature fluctuating between 78.6°F (25.9°C) and 59.7°F (15.4°C).

Temperature

The advent of September brings a slight shift in average high-temperature, moving from 84.7°F (29.3°C) in August to a still moderately hot 78.6°F (25.9°C). Throughout September, an average low-temperature of 59.7°F (15.4°C) is experienced.

Humidity

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

Rainfall

September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.

Snowfall

In Saint Catharine, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 7:11 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:25 pm EDT.

Sunshine

In Saint Catharine, Kentucky, the average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Heed the precautions - It is counselled to guard against solar damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Saint Catharine?

During September, Saint Catharine experiences an average high-temperature of 78.6°F (25.9°C) and a low-temperature of 59.7°F (15.4°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 93.2°F (34°C).

What is the average humidity in September?

The average relative humidity in September in Saint Catharine is 76%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 13.9 days and accumulates 2.17" (55mm) of precipitation.

How much does it rain in Saint Catharine in September?

In Saint Catharine, in September, it is raining for 13.9 days, with typically 2.17" (55mm) of accumulated precipitation.

When it does not snow?

In Saint Catharine, snow does not fall in May through September.

Does it snow in September?

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

How many hours of daylight does Saint Catharine have in September?

The average day length in September is 12h and 25min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 7:11 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:25 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 September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Saint Catharine, KY

Average temperature in September - Saint Catharine, KY
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in September: 59.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in September
Saint Catharine, KY

Average pressure in September - Saint Catharine, 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
Saint Catharine, KY

Average wind speed in September - Saint Catharine, KY
  • Average wind speed in September: 5.4mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in September
Saint Catharine, KY

Average humidity in September - Saint Catharine, KY
  • Average humidity in September: 76%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (75%).

Average rainfall in September
Saint Catharine, KY

Average rainfall in September - Saint Catharine, KY
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is September (2.17").

Average rainfall days in September
Saint Catharine, KY

Average rainfall days in September - Saint Catharine, KY
  • Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in September
Saint Catharine, KY

Average snowfall in September - Saint Catharine, KY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Saint Catharine, KY

Average snowfall days in September - Saint Catharine, KY
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.9 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
Saint Catharine, KY

Average daylight in September / Average sunshine in September - Saint Catharine, 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 June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in September
Saint Catharine, KY

Average sunshine days in September - Saint Catharine, KY
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in September
Saint Catharine, KY

Average UV index in September - Saint Catharine, 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, November and December (UV index 2).

Average cloud cover in September
Saint Catharine, KY

Average cloud cover in September - Saint Catharine, KY
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Saint Catharine, KY

Average visibility in September - Saint Catharine, KY
  • Average visibility in September: 6mi

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

Saint Catharine, Kentucky, USA

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