September weather forecast
Coldwater, KY

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Weather in September

The first month of the autumn, September, is still a warm month in Coldwater, Kentucky, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 62.2°F (16.8°C).

Temperature

Coldwater's weather subtly changes with the onset of September, barely falling from a hot 87.3°F (30.7°C) in August to a moderately hot 81.5°F (27.5°C). Coldwater records an average nighttime low of 62.2°F (16.8°C) in September.

Heat index

In September, the heat index is appraised at a hot 86°F (30°C). With unrelenting exposure and activity, one might experience exhaustion, leading to potential heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

The average relative humidity in September in Coldwater is 73%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 2.05" (52mm) of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 24min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:21 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:38 pm CDT.

Sunshine

The average sunshine in September is 9.3h.

UV index

In Coldwater, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 5 suggests these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

During September, Coldwater experiences an average high-temperature of 81.5°F (27.5°C) and a low-temperature of 62.2°F (16.8°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is appraised at 86°F (30°C).

What is the average humidity in September?

The average relative humidity in September is 73%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 13.4 days and typically collects 2.05" (52mm) of precipitation.

How many days does it rain in September?

In September, the rain falls for 13.4 days. Throughout September, 2.05" (52mm) of precipitation is accumulated.

When it does not snow?

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

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:25 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:38 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.3h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Coldwater, KY

Average temperature in September - Coldwater, KY
  • Average high temperature in September: 81.5°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (42.6°F).

  • Average low temperature in September: 62.2°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in September
Coldwater, KY

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Coldwater, KY

Average wind speed in September - Coldwater, KY
  • Average wind speed in September: 6mph

The windiest months (with the highest average wind speed) are January, February and April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.4mph).

Average humidity in September
Coldwater, KY

Average humidity in September - Coldwater, KY
  • Average humidity in September: 73%

The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Coldwater, KY

Average rainfall in September - Coldwater, KY
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is February (4.41").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in September
Coldwater, KY

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

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.4 days).

Average snowfall in September
Coldwater, KY

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

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Coldwater, KY

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

The month with the highest number of snowfall days is February (3.8 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
Coldwater, KY

Average daylight in September / Average sunshine in September - Coldwater, 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: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Coldwater, KY

Average sunshine days in September - Coldwater, KY
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in September
Coldwater, KY

Average UV index in September - Coldwater, 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
Coldwater, KY

Average cloud cover in September - Coldwater, KY
  • Average cloud cover in September: 28

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

Average visibility in September
Coldwater, KY

Average visibility in September - Coldwater, 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).

Coldwater, Kentucky, USA

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