September weather forecast
Breton, KY

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Weather in September

September, the first month of the autumn in Breton, is still a warm month, with an average temperature ranging between max 79.7°F (26.5°C) and min 61.2°F (16.2°C).

Temperature

Breton marks the arrival of September with an average high-temperature of a still moderately hot 79.7°F (26.5°C), hardly different from August's 84.7°F (29.3°C). An average nighttime temperature of 61.2°F (16.2°C) is observed during September.

Humidity

In September, the average relative humidity is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.1" (28mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:18 pm. On the last day of September, sunrise is at 6:45 am and sunset at 6:34 pm CDT.

Sunshine

The average sunshine in September is 9h.

UV index

In Breton, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

An average high-temperature, in September, in Breton, is 79.7°F (26.5°C) and the average low-temperature is 61.2°F (16.2°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 95°F (35°C).

What is the average humidity in September?

The average relative humidity in September is 74%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 10.8 days and accumulates 1.1" (28mm) of precipitation.

How many days does it rain in September?

In Breton, in September, during 10.8 rainfall days, 1.1" (28mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day 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 6:21 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:45 am and sunset at 6:34 pm CDT.

How long on average sun shines in September in Breton?

In September, the average sunshine duration is 9h.

What is the UV index intensity in September?

In Breton, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Breton, KY

Average temperature in September - Breton, KY
  • Average high temperature in September: 79.7°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 (40.1°F).

  • Average low temperature in September: 61.2°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Breton, KY

Average pressure in September - Breton, 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 (29.95"Hg).

Average wind speed in September
Breton, KY

Average wind speed in September - Breton, KY
  • Average wind speed in September: 6.5mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in September
Breton, KY

Average humidity in September - Breton, KY
  • Average humidity in September: 74%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Breton, KY

Average rainfall in September - Breton, KY
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is April (2.87").
The driest month (with the least rainfall) is September (1.1").

Average rainfall days in September
Breton, KY

Average rainfall days in September - Breton, KY
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in September
Breton, KY

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

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Breton, KY

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

The month with the highest number of snowfall days is January (4.8 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
Breton, KY

Average daylight in September / Average sunshine in September - Breton, 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: 9h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in September
Breton, KY

Average sunshine days in September - Breton, KY
  • Average sunshine days in September: 17.7 days

The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is May (12.5 days).

Average UV index in September
Breton, KY

Average UV index in September - Breton, 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
Breton, KY

Average cloud cover in September - Breton, KY
  • Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in September
Breton, KY

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

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

Breton, Kentucky, USA

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