September weather forecast
Shady Nook, IN

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Weather in September

September, the first month of the autumn in Shady Nook, is still a pleasant month, with an average temperature fluctuating between 72.7°F (22.6°C) and 54.5°F (12.5°C).

Temperature

As September arrives, Shady Nook's weather displays a minor decrease in high-temperatures, transitioning from August's warm 78.3°F (25.7°C) to a pleasant 72.7°F (22.6°C). Throughout September, the average low-temperature dips to a fresh 54.5°F (12.5°C).

Humidity

In September, the average relative humidity is 80%.

Rainfall

In September, the rain falls for 14.2 days. Throughout September, 1.77" (45mm) of precipitation is accumulated. Throughout the year, there are 164.6 rainfall days, and 28.86" (733mm) of precipitation is accumulated.

Snowfall

In Shady Nook, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of September, sunrise is at 7:07 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:23 pm EDT.

Sunshine

The average sunshine in September is 7.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 4 during September leads to these advisories:
Ensure safety - Recommendations to avert sunburn are presented. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Shady Nook in September?

The high-temperature, in September, in Shady Nook, is 72.7°F (22.6°C), while the low-temperature averages to 54.5°F (12.5°C).

What is the average humidity in September?

In September, the average relative humidity is 80%.

How much does it rain in September?

In Shady Nook, Indiana, in September, it is raining for 14.2 days, with typically 1.77" (45mm) of accumulated precipitation.

When it does not snow in Shady Nook?

In Shady Nook, snow does not fall in June through September.

Does it snow in September?

In Shady Nook, 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 28min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:07 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:23 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 7.8h.

What is the UV index reading in September in Shady Nook?

In Shady Nook, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat 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
Shady Nook, IN

Average temperature in September - Shady Nook, IN
  • Average high temperature in September: 72.7°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in September: 54.5°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).

Average pressure in September
Shady Nook, IN

Average pressure in September - Shady Nook, IN
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Shady Nook, IN

Average wind speed in September - Shady Nook, IN
  • Average wind speed in September: 7.2mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).

Average humidity in September
Shady Nook, IN

Average humidity in September - Shady Nook, IN
  • Average humidity in September: 80%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in September
Shady Nook, IN

Average rainfall in September - Shady Nook, IN
  • Average rainfall in September: 1.77"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is December (1.57").

Average rainfall days in September
Shady Nook, IN

Average rainfall days in September - Shady Nook, IN
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (7 days).

Average snowfall in September
Shady Nook, IN

Average snowfall in September - Shady Nook, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.61").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Shady Nook, IN

Average snowfall days in September - Shady Nook, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Shady Nook, IN

Average daylight in September / Average sunshine in September - Shady Nook, IN
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
Shady Nook, IN

Average sunshine days in September - Shady Nook, IN
  • Average sunshine days in September: 13.6 days

The months with the most sunshine days are October and November (14 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in September
Shady Nook, IN

Average UV index in September - Shady Nook, IN
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Shady Nook, IN

Average cloud cover in September - Shady Nook, IN
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in September
Shady Nook, IN

Average visibility in September - Shady Nook, IN
  • Average visibility in September: 5mi

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

Shady Nook, Indiana, USA

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