September weather forecast
Harrodsburg, IN

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Weather in September

September, the first month of the autumn in Harrodsburg, is also a moderately hot month, with temperature in the range of an average high of 77.2°F (25.1°C) and an average low of 58.1°F (14.5°C).

Temperature

With the onset of September, Harrodsburg's climate undergoes a slight change as the average high-temperature moves from a warm 82.9°F (28.3°C) in August to a still moderately hot 77.2°F (25.1°C). An average low-temperature of 58.1°F (14.5°C) is expected during September.

Humidity

In Harrodsburg, the average relative humidity in September is 77%.

Rainfall

The months with the least rainfall are September and October Rain falls for 12.4 days and accumulates 1.65" (42mm) of rain.

Snowfall

May through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 7:15 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:29 pm EDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Harrodsburg in September?

The high-temperature, in September, in Harrodsburg, records 77.2°F (25.1°C), while the low-temperature is 58.1°F (14.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is evaluated at 91.4°F (33°C).

What is the average humidity in September?

In Harrodsburg, the average relative humidity in September is 77%.

What is the driest month in Harrodsburg?

September and October are months with the least rain when the rain falls for 12.4 days and typically aggregates up to 1.65" (42mm) of rain.

How much does it rain in Harrodsburg in September?

In Harrodsburg, in September, it is raining for 12.4 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 26min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:15 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:29 pm EDT.

How many hours of sunshine does Harrodsburg have in September?

The average sunshine duration in September is 8.4h.

What is the UV index reading in September?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents 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
Harrodsburg, IN

Average temperature in September - Harrodsburg, IN
  • Average high temperature in September: 77.2°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in September: 58.1°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 (22.5°F).

Average pressure in September
Harrodsburg, IN

Average pressure in September - Harrodsburg, IN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Harrodsburg, IN

Average wind speed in September - Harrodsburg, IN
  • Average wind speed in September: 5.8mph

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

Average humidity in September
Harrodsburg, IN

Average humidity in September - Harrodsburg, IN
  • Average humidity in September: 77%

The months with the highest relative humidity are May and December (82%).
The month with the lowest relative humidity is October (75%).

Average rainfall in September
Harrodsburg, IN

Average rainfall in September - Harrodsburg, IN
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is April (3.11").
The driest months (with the least rainfall) are September and October (1.65").

Average rainfall days in September
Harrodsburg, IN

Average rainfall days in September - Harrodsburg, IN
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (7.9 days).

Average snowfall in September
Harrodsburg, IN

Average snowfall in September - Harrodsburg, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Harrodsburg, IN

Average snowfall days in September - Harrodsburg, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.1 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
Harrodsburg, IN

Average daylight in September / Average sunshine in September - Harrodsburg, IN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • 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 December (Average sunshine: 4h and 12min).

Average sunshine days in September
Harrodsburg, IN

Average sunshine days in September - Harrodsburg, IN
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (9.2 days).

Average UV index in September
Harrodsburg, IN

Average UV index in September - Harrodsburg, IN
  • 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, October and December (UV index 2).

Average cloud cover in September
Harrodsburg, IN

Average cloud cover in September - Harrodsburg, IN
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Harrodsburg, IN

Average visibility in September - Harrodsburg, IN
  • Average visibility in September: 5mi

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

Harrodsburg, Indiana, USA

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