September weather forecastMillersburg, KY

September

Weather in September

September, the first month of the autumn in Millersburg, is still a warm month, with an average temperature fluctuating between 58.6°F (14.8°C) and 78.1°F (25.6°C).

Temperature

September brings a slight decrease in the average high-temperature, shifting from 84.4°F (29.1°C) in August to a still moderately hot 78.1°F (25.6°C). An average nighttime temperature of 58.6°F (14.8°C) is observed during September.

Humidity

The months with the lowest humidity in Millersburg are August and September, with an average relative humidity of 75%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.3 days and accumulates 2.01" (51mm) of precipitation.

Snowfall

In Millersburg, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 25min.
On the first day of the month, sunrise is at 7:06 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:32 am and sunset at 7:20 pm EDT.

Sunshine

In September, the average sunshine in Millersburg is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during September is 78.1°F (25.6°C) and the low-temperature is 58.6°F (14.8°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 93.2°F (34°C).

The months with the lowest humidity are August and September, with an average relative humidity of 75%.

In Millersburg, the average relative humidity in September is 75%.

The month with the least rainfall is September, when the rain falls for 13.3 days and typically collects 2.01" (51mm) of precipitation.

In Millersburg, in September, it is raining for 13.3 days, with typically 2.01" (51mm) of accumulated precipitation.

In Millersburg, snow does not fall in May through September.

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

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

In September, on the first day of the month, sunrise is at 7:06 am and sunset at 8:05 pm. On the last day of the month, in Millersburg, sunrise is at 7:32 am and sunset at 7:20 pm EDT.

In September, the average sunshine duration is 8.3h.

In Millersburg, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Millersburg, KY

  • Average high temperature in September: 78.1°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 (38.3°F).

  • Average low temperature in September: 58.6°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in September
Millersburg, KY

  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in September
Millersburg, KY

  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in September
Millersburg, KY

  • Average humidity in September: 75%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August and September (75%).

Average rainfall in September
Millersburg, KY

  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in September
Millersburg, KY

  • Average rainfall days in September: 13.3 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.2 days).

Average snowfall in September
Millersburg, KY

  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Millersburg, KY

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10 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
Millersburg, KY

  • Average daylight in September: 12h and 24min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 8h and 18min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in September
Millersburg, KY

  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is February (10 days).

Average UV index in September
Millersburg, KY

  • Average UV index in September: 4

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
Millersburg, KY

  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in September
Millersburg, KY

  • Average visibility in September: 6mi

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