September weather forecast
Waynesville, IN

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Weather in September

September, the first month of the autumn in Waynesville, is still a warm month, with an average temperature varying between 58.5°F (14.7°C) and 78.1°F (25.6°C).

Temperature

A subtle shift in Waynesville's weather is observed as August turns into September, with the average high temperature reducing from 83.8°F (28.8°C) to a still moderately hot 78.1°F (25.6°C). September nights are marked by an average low-temperature of 58.5°F (14.7°C).

Humidity

In Waynesville, the average relative humidity in September is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.9 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 7:12 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:39 am and sunset at 7:27 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In Waynesville, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

During September, Waynesville experiences an average high-temperature of 78.1°F (25.6°C) and a low-temperature of 58.5°F (14.7°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 93.2°F (34°C).

What is the average humidity in September?

In September, the average relative humidity is 76%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.9 days and accumulates 1.85" (47mm) of precipitation.

How much does it rain in September?

In Waynesville, in September, during 12.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 26min.

What time are sunrise and sunset in September in Waynesville?

On the first day of September, sunrise is at 7:12 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:27 pm EDT.

How many hours of sunshine does Waynesville have in September?

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

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
Waynesville, IN

Average temperature in September - Waynesville, IN
  • Average high temperature in September: 78.1°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 58.5°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 (23.4°F).

Average pressure in September
Waynesville, IN

Average pressure in September - Waynesville, 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
Waynesville, IN

Average wind speed in September - Waynesville, IN
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are January and February (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in September
Waynesville, IN

Average humidity in September - Waynesville, IN
  • Average humidity in September: 76%

The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Waynesville, IN

Average rainfall in September - Waynesville, IN
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in September
Waynesville, IN

Average rainfall days in September - Waynesville, IN
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (9.9 days).

Average snowfall in September
Waynesville, IN

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

The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Waynesville, IN

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

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

Average daylight in September / Average sunshine in September - Waynesville, 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 July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 6min).

Average sunshine days in September
Waynesville, IN

Average sunshine days in September - Waynesville, IN
  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.6 days).

Average UV index in September
Waynesville, IN

Average UV index in September - Waynesville, IN
  • Average UV index in September: 5

The months with the highest UV index are 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
Waynesville, IN

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

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Waynesville, IN

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

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

Waynesville, Indiana, USA

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