September weather forecast
Marlin Hills, IN

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Weather in September

The first month of the autumn, September, is still a warm month in Marlin Hills, Indiana, with an average temperature fluctuating between 58.1°F (14.5°C) and 77°F (25°C).

Temperature

Marlin Hills in September undergoes a slight reduction in the average high-temperature, shifting from August's warm 82.6°F (28.1°C) to a still moderately hot 77°F (25°C). Throughout the month of September, Marlin Hills observes an average nighttime temperature of 58.1°F (14.5°C).

Humidity

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

Rainfall

The month with the least rainfall in Marlin Hills is September, when the rain falls for 11.3 days and typically collects 1.26" (32mm) of precipitation.

Snowfall

In Marlin Hills, snow does not fall in May through September.

Daylight

In Marlin Hills, the average length of the day in September is 12h and 26min.
On the first day of September in Marlin Hills, Indiana, 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.

Sunshine

In Marlin Hills, the average sunshine in September is 8.4h.

UV index

In Marlin Hills, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Heed the precautions - It is counselled to guard against solar damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What is the temperature in September in Marlin Hills?

The high-temperature, in September, in Marlin Hills, is 77°F (25°C), while the low-temperature averages to 58.1°F (14.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 89.6°F (32°C).

What is the average humidity in September in Marlin Hills?

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

What is the driest month in Marlin Hills?

The month with the least rainfall in Marlin Hills, Indiana, is September, when the rain falls for 11.3 days and typically collects 1.26" (32mm) of precipitation.

How much does it rain in Marlin Hills in September?

In Marlin Hills, in September, it is raining for 11.3 days, with typically 1.26" (32mm) of accumulated precipitation.

When it does not snow in Marlin Hills?

May through September are months without snowfall.

Does it snow in Marlin Hills in September?

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

How many hours of daylight does Marlin Hills have in September?

In September, the average day length in Marlin Hills, Indiana, is 12h and 26min.

When is the sunrise / sunset in September in Marlin Hills?

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

How long on average sun shines in September in Marlin Hills?

The average sunshine duration in September in Marlin Hills, Indiana, is 8.4h.

What is the UV index reading in September in Marlin Hills?

In Marlin Hills, Indiana, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Marlin Hills, IN

Average temperature in September - Marlin Hills, 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: 58.1°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
Marlin Hills, IN

Average pressure in September - Marlin Hills, 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
Marlin Hills, IN

Average wind speed in September - Marlin Hills, IN
  • Average wind speed in September: 5.9mph

The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
Marlin Hills, IN

Average humidity in September - Marlin Hills, IN
  • Average humidity in September: 77%

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

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Average rainfall in September
Marlin Hills, IN

Average rainfall in September - Marlin Hills, IN
  • Average rainfall in September: 1.26"

The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is September (1.26").

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Average rainfall days in September
Marlin Hills, IN

Average rainfall days in September - Marlin Hills, IN
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (7.6 days).

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Average snowfall in September
Marlin Hills, IN

Average snowfall in September - Marlin Hills, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Marlin Hills, IN

Average snowfall days in September - Marlin Hills, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.3 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
Marlin Hills, IN

Average daylight in September / Average sunshine in September - Marlin Hills, 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 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).

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Average sunshine days in September
Marlin Hills, IN

Average sunshine days in September - Marlin Hills, IN
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is May (9.6 days).

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Average UV index in September
Marlin Hills, IN

Average UV index in September - Marlin Hills, 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).

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Average cloud cover in September
Marlin Hills, IN

Average cloud cover in September - Marlin Hills, IN
  • Average cloud cover in September: 32

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

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Average visibility in September
Marlin Hills, IN

Average visibility in September - Marlin Hills, 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).

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Marlin Hills, Indiana, USA

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