September weather forecast
New Corydon, IN

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Weather in September

The first month of the autumn, September, is still a warm month in New Corydon, Indiana, with an average temperature fluctuating between 73.9°F (23.3°C) and 55.8°F (13.2°C).

Temperature

New Corydon notes an average high-temperature of a still moderately hot 73.9°F (23.3°C) in September, displaying minor variation from August. New Corydon experiences a nighttime temperature average of 55.8°F (13.2°C) during September.

Humidity

The average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 11.3 days. Throughout September, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in New Corydon, there are 130.2 rainfall days, and 14.8" (376mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in New Corydon.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 7:07 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:22 pm EDT.

Sunshine

The average sunshine in September in New Corydon is 8h.

UV index

In New Corydon, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, the UV index of 4 transforms into the following advice:
Adopt protective measures - It is advised to guard against sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What is the usual temperature for New Corydon in September?

The high-temperature, in September, in New Corydon, is 73.9°F (23.3°C), while the low-temperature averages to 55.8°F (13.2°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 87.8°F (31°C).

What is the average humidity in September in New Corydon?

The average relative humidity in September is 79%.

How many days does it rain in September in New Corydon?

In New Corydon, during September, the rain falls for 11.3 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When it does not snow in New Corydon?

In New Corydon, Indiana, snow does not fall in May through September.

Does it snow in New Corydon in September?

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

What is the average length of the day in September in New Corydon?

In New Corydon, Indiana, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September in New Corydon?

On the first day of September in New Corydon, Indiana, sunrise is at 7:07 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:22 pm EDT.

How many hours of sunshine does New Corydon have in September?

In New Corydon, the average sunshine duration in September is 8h.

What is the UV index reading in September in New Corydon?

The average daily maximum UV index in September in New Corydon, Indiana, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from 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
New Corydon, IN

Average temperature in September - New Corydon, IN
  • Average high temperature in September: 73.9°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in September
New Corydon, IN

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
New Corydon, IN

Average wind speed in September - New Corydon, IN
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity in September
New Corydon, IN

Average humidity in September - New Corydon, IN
  • Average humidity in September: 79%

The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
New Corydon, IN

Average rainfall in September - New Corydon, IN
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is February (0.79").

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Average rainfall days in September
New Corydon, IN

Average rainfall days in September - New Corydon, IN
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.4 days).

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Average snowfall in September
New Corydon, IN

Average snowfall in September - New Corydon, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
New Corydon, IN

Average snowfall days in September - New Corydon, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
New Corydon, IN

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in September
New Corydon, IN

Average sunshine days in September - New Corydon, IN
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in September
New Corydon, IN

Average UV index in September - New Corydon, IN
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
New Corydon, IN

Average cloud cover in September - New Corydon, IN
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in September
New Corydon, IN

Average visibility in September - New Corydon, IN
  • Average visibility in September: 5mi

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

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New Corydon, Indiana, USA

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