September weather forecast
Hessen Cassel, IN

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Hessen Cassel, Indiana, with an average temperature ranging between min 55.8°F (13.2°C) and max 73.9°F (23.3°C).

Temperature

Hessen Cassel's progression into September involves a minor drop in the average high-temperature, slightly receding from 79.3°F (26.3°C) in August to a still warm 73.9°F (23.3°C). The temperature in Hessen Cassel lowers to an average of 55.8°F (13.2°C) during September nights.

Humidity

In September, the average relative humidity in Hessen Cassel is 79%.

Rainfall

In Hessen Cassel, in September, it is raining for 11.2 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 128.5 rainfall days, and 15" (381mm) of precipitation is accumulated.

Snowfall

In Hessen Cassel, snow does not fall in May through September.

Daylight

In Hessen Cassel, 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 8:12 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:23 pm EDT.

Sunshine

The average sunshine in September in Hessen Cassel is 7.9h.

UV index

In Hessen Cassel, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 4 during September translates into the following guidance:
Undertake precautions - Guarding against sun damage is counselled. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. 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 Hessen Cassel in September?

In Hessen Cassel, 73.9°F (23.3°C) is the average high-temperature and 55.8°F (13.2°C) is the average low-temperature during September. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in July is estimated at 86°F (30°C).

What is the average humidity in September in Hessen Cassel?

In Hessen Cassel, Indiana, the average relative humidity in September is 79%.

How many days does it rain in September in Hessen Cassel?

In Hessen Cassel, in September, it is raining for 11.2 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in Hessen Cassel?

May through September are months without snowfall in Hessen Cassel.

Does it snow in Hessen Cassel in September?

In Hessen Cassel, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Hessen Cassel?

In September, the average day length is 12h and 27min.

When are sunrise and sunset in September in Hessen Cassel?

On the first day of September, sunrise is at 7:07 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:23 pm EDT.

How many hours of sunshine does Hessen Cassel have in September?

The average sunshine duration in September is 7.9h.

What is the UV index intensity in September in Hessen Cassel?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Hessen Cassel, IN

Average temperature in September - Hessen Cassel, IN
  • Average high temperature in September: 73.9°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).

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Average pressure in September
Hessen Cassel, IN

Average pressure in September - Hessen Cassel, IN
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Hessen Cassel, IN

Average wind speed in September - Hessen Cassel, IN
  • Average wind speed in September: 7mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in September
Hessen Cassel, IN

Average humidity in September - Hessen Cassel, 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
Hessen Cassel, IN

Average rainfall in September - Hessen Cassel, IN
  • Average rainfall in September: 1.1"

The wettest month (with the highest rainfall) is May (1.89").
The driest month (with the least rainfall) is February (0.79").

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Average rainfall days in September
Hessen Cassel, IN

Average rainfall days in September - Hessen Cassel, IN
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in September
Hessen Cassel, IN

Average snowfall in September - Hessen Cassel, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (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
Hessen Cassel, IN

Average snowfall days in September - Hessen Cassel, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.5 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
Hessen Cassel, IN

Average daylight in September / Average sunshine in September - Hessen Cassel, 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 18min).

  • 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 18min).

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Average sunshine days in September
Hessen Cassel, IN

Average sunshine days in September - Hessen Cassel, IN
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is June (12.5 days).

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Average UV index in September
Hessen Cassel, IN

Average UV index in September - Hessen Cassel, IN
  • Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in September
Hessen Cassel, IN

Average cloud cover in September - Hessen Cassel, IN
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in September
Hessen Cassel, IN

Average visibility in September - Hessen Cassel, 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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Hessen Cassel, Indiana, USA

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