September weather forecast
Corn Brook, IN

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Weather in September

September, the first month of the autumn in Corn Brook, is still a warm month, with temperature in the range of an average high of 77°F (25°C) and an average low of 58.3°F (14.6°C).

Temperature

Corn Brook's progression into September involves a gentle drop in the average high-temperature, from a warm 82.8°F (28.2°C) in August to a still moderately hot 77°F (25°C). In the month of September, Corn Brook experiences an average low-temperature of 58.3°F (14.6°C).

Humidity

The average relative humidity in September is 76%.

Rainfall

The month with the least rainfall in Corn Brook, Indiana, is September, when the rain falls for 14.1 days and typically collects 1.73" (44mm) of precipitation.

Snowfall

In Corn Brook, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 7:13 am and sunset at 8:14 pm. On the last day of September, in Corn Brook, sunrise is at 7:39 am and sunset at 7:27 pm EDT.

Sunshine

In Corn Brook, the average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index in Corn Brook is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 5 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the usual temperature for Corn Brook in September?

Corn Brook in September has an average high-temperature of 77°F (25°C) and an average low-temperature of 58.3°F (14.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 89.6°F (32°C).

What is the average humidity in September in Corn Brook?

In September, the average relative humidity is 76%.

What is the driest month in Corn Brook?

The month with the least rainfall is September, when the rain falls for 14.1 days and typically collects 1.73" (44mm) of precipitation.

How many days does it rain in September in Corn Brook?

In Corn Brook, Indiana, during September, the rain falls for 14.1 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Corn Brook?

In Corn Brook, Indiana, snow does not fall in May through October.

How many hours of daylight does Corn Brook have in September?

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

What time are sunrise and sunset in September in Corn Brook?

In September, on the first day of the month, sunrise is at 7:13 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:27 pm EDT.

How long on average sun shines in September in Corn Brook?

In Corn Brook, Indiana, the average sunshine duration in September is 8.4h.

What is the UV index reading in September in Corn Brook?

In September, the average daily maximum UV index in Corn Brook, Indiana, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
Corn Brook, IN

Average temperature in September - Corn Brook, IN
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in September: 58.3°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in September
Corn Brook, IN

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Corn Brook, IN

Average wind speed in September - Corn Brook, IN
  • Average wind speed in September: 5.9mph

The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in September
Corn Brook, IN

Average humidity in September - Corn Brook, IN
  • Average humidity in September: 76%

The months with the highest relative humidity are January, February, July and December (81%).
The month with the lowest relative humidity is October (74%).

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Average rainfall in September
Corn Brook, IN

Average rainfall in September - Corn Brook, IN
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in September
Corn Brook, IN

Average rainfall days in September - Corn Brook, IN
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (9.4 days).

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Average snowfall in September
Corn Brook, IN

Average snowfall in September - Corn Brook, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Corn Brook, IN

Average snowfall days in September - Corn Brook, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Corn Brook, IN

Average daylight in September / Average sunshine in September - Corn Brook, 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 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Corn Brook, IN

Average sunshine days in September - Corn Brook, IN
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.3 days).

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Average UV index in September
Corn Brook, IN

Average UV index in September - Corn Brook, 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).

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Average cloud cover in September
Corn Brook, IN

Average cloud cover in September - Corn Brook, IN
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Corn Brook, IN

Average visibility in September - Corn Brook, IN
  • Average visibility in September: 6mi

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

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Corn Brook, Indiana, USA

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