September weather forecast
Clermont, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Clermont, Indiana, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 58.1°F (14.5°C).

Temperature

As August makes way for September, Clermont's average high-temperature eases from 81°F (27.2°C) to a still moderately hot 75.6°F (24.2°C). September nights in Clermont observe an average temperature dip to a refreshing 58.1°F (14.5°C).

Humidity

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

Rainfall

In September, the rain falls for 14.1 days. Throughout September, 1.85" (47mm) of precipitation is accumulated. Throughout the year, in Clermont, there are 163.9 rainfall days, and 27.2" (691mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Clermont, Indiana, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 7:14 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:41 am and sunset at 7:28 pm EDT.

Sunshine

In Clermont, the average sunshine in September is 8.4h.

UV index

In Clermont, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 5 in September transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What are the temperatures in Clermont in September?

September temperatures vary between a high-temperature of 75.6°F (24.2°C) and a low-temperature of 58.1°F (14.5°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 August is estimated at 86°F (30°C).

What is the average humidity in September in Clermont?

The average relative humidity in September is 77%.

How much does it rain in Clermont in September?

In Clermont, Indiana, in September, it is raining for 14.1 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow in Clermont?

In Clermont, Indiana, snow does not fall in June through September.

Does it snow in Clermont in September?

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

What is the average length of the day in September in Clermont?

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

What time are sunrise and sunset in September in Clermont?

In September, on the first day of the month, sunrise is at 7:14 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:28 pm EDT.

How many hours of sunshine does Clermont have in September?

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

What is the UV index intensity in September in Clermont?

The average daily maximum UV index in September in Clermont is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe 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
Clermont, IN

Average temperature in September - Clermont, IN
  • Average high temperature in September: 75.6°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in September: 58.1°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 (20.8°F).

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Average pressure in September
Clermont, IN

Average pressure in September - Clermont, 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
Clermont, IN

Average wind speed in September - Clermont, IN
  • Average wind speed in September: 6.6mph

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in September
Clermont, IN

Average humidity in September - Clermont, IN
  • Average humidity in September: 77%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in September
Clermont, IN

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

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.54").

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Average rainfall days in September
Clermont, IN

Average rainfall days in September - Clermont, IN
  • Average rainfall days in September: 14.1 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (8.4 days).

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Average snowfall in September
Clermont, IN

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

The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Clermont, IN

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

The month with the highest number of snowfall days is January (10.8 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
Clermont, IN

Average daylight in September / Average sunshine in September - Clermont, 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 24min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in September
Clermont, IN

Average sunshine days in September - Clermont, IN
  • Average sunshine days in September: 13.8 days

The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is May (9.3 days).

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Average UV index in September
Clermont, IN

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

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
Clermont, IN

Average cloud cover in September - Clermont, IN
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in September
Clermont, IN

Average visibility in September - Clermont, IN
  • Average visibility in September: 6mi

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

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Clermont, Indiana, USA

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