September weather forecast
Colmar, KY

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Weather in September

September, the first month of the autumn in Colmar, is still a warm month, with an average temperature ranging between min 56.8°F (13.8°C) and max 78.6°F (25.9°C).

Temperature

As September arrives, Colmar's weather displays a minor decrease in high-temperatures, transitioning from August's warm 84.6°F (29.2°C) to a still moderately hot 78.6°F (25.9°C). During the nights in September, Colmar records a pronounced shift from the daytime warmth, with a consistent average temperature of 56.8°F (13.8°C).

Humidity

The average relative humidity in September is 78%.

Rainfall

The month with the least rainfall in Colmar is September, when the rain falls for 14.1 days and typically collects 2.4" (61mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 24min.
On the first day of September, sunrise is at 7:06 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:19 pm EDT.

Sunshine

The average sunshine in September in Colmar is 8.3h.

UV index

In Colmar, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in September transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

September temperatures vary between a high-temperature of 78.6°F (25.9°C) and a low-temperature of 56.8°F (13.8°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 95°F (35°C).

What is the average humidity in September?

In Colmar, the average relative humidity in September is 78%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 14.1 days and typically collects 2.4" (61mm) of precipitation.

How much does it rain in Colmar in September?

In Colmar, during September, the rain falls for 14.1 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow in Colmar?

May through September are months without snowfall in Colmar.

Does it snow in September?

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

What is the average length of the day in September?

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

When are sunrise and sunset in September?

On the first day of September in Colmar, sunrise is at 7:06 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:19 pm EDT.

How many hours of sunshine does Colmar have in September?

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

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 unsafe 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
Colmar, KY

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

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in September: 56.8°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).

Average pressure in September
Colmar, KY

Average pressure in September - Colmar, KY
  • Average pressure in September: 30.04"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).

Average wind speed in September
Colmar, KY

Average wind speed in September - Colmar, KY
  • Average wind speed in September: 3.9mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

Average humidity in September
Colmar, KY

Average humidity in September - Colmar, KY
  • Average humidity in September: 78%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are June, July, August and November (77%).

Average rainfall in September
Colmar, KY

Average rainfall in September - Colmar, KY
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is February (4.65").
The driest month (with the least rainfall) is September (2.4").

Average rainfall days in September
Colmar, KY

Average rainfall days in September - Colmar, KY
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (11.2 days).

Average snowfall in September
Colmar, KY

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

The month with the highest snowfall is February (3.62").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Colmar, KY

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

The month with the highest number of snowfall days is January (8.9 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
Colmar, KY

Average daylight in September / Average sunshine in September - Colmar, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in September
Colmar, KY

Average sunshine days in September - Colmar, KY
  • Average sunshine days in September: 14.3 days

The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in September
Colmar, KY

Average UV index in September - Colmar, 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
Colmar, KY

Average cloud cover in September - Colmar, KY
  • Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 57).
The months with the least cloud cover are June and August (Cloud cover 33).

Average visibility in September
Colmar, KY

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

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

Colmar, Kentucky, USA

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