September weather forecast
Jeffersonville, OH

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Weather in September

September, the first month of the autumn in Jeffersonville, is still a warm month, with an average temperature ranging between max 74.7°F (23.7°C) and min 56.7°F (13.7°C).

Temperature

The beginning of September reveals an average high-temperature of a still moderately hot 74.7°F (23.7°C), showing minimal deviation from the previous month. Throughout September, the nighttime temperature averages to a moderate 56.7°F (13.7°C).

Humidity

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

Rainfall

The month with the least rainfall in Jeffersonville is September, when the rain falls for 13.5 days and typically collects 1.89" (48mm) of precipitation.

Snowfall

In Jeffersonville, snow does not fall in June through September.

Daylight

The average length of the day in September in Jeffersonville is 12h and 26min.
On the first day of the month, sunrise is at 7:03 am and sunset at 8:04 pm. On the last day of September, in Jeffersonville, sunrise is at 7:30 am and sunset at 7:17 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In September, the average daily maximum UV index in Jeffersonville is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What is the temperature in September in Jeffersonville?

During September, Jeffersonville experiences an average high-temperature of 74.7°F (23.7°C) and a low-temperature of 56.7°F (13.7°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in July is computed to be 86°F (30°C).

What is the average humidity in September in Jeffersonville?

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

What is the driest month in Jeffersonville?

The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 1.89" (48mm) of precipitation.

How many days does it rain in September in Jeffersonville?

In Jeffersonville, in September, it is raining for 13.5 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Jeffersonville?

June through September are months without snowfall in Jeffersonville, Ohio.

Does it snow in Jeffersonville in September?

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

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

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

What time are sunrise and sunset in September in Jeffersonville?

On the first day of September in Jeffersonville, Ohio, sunrise is at 7:03 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:17 pm EDT.

How long on average sun shines in September in Jeffersonville?

The average sunshine duration in September in Jeffersonville, Ohio, is 8.3h.

What is the UV index reading in September in Jeffersonville?

The average daily maximum UV index in September in Jeffersonville is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Jeffersonville, OH

Average temperature in September - Jeffersonville, OH
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in September
Jeffersonville, OH

Average pressure in September - Jeffersonville, OH
  • Average pressure in September: 30.04"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
Jeffersonville, OH

Average wind speed in September - Jeffersonville, OH
  • Average wind speed in September: 6.4mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in September
Jeffersonville, OH

Average humidity in September - Jeffersonville, OH
  • Average humidity in September: 77%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in September
Jeffersonville, OH

Average rainfall in September - Jeffersonville, OH
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in September
Jeffersonville, OH

Average rainfall days in September - Jeffersonville, OH
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (9.4 days).

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Average snowfall in September
Jeffersonville, OH

Average snowfall in September - Jeffersonville, OH
  • Average snowfall in September: 0"

The month with the highest snowfall is February (3.78").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Jeffersonville, OH

Average snowfall days in September - Jeffersonville, OH
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.2 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
Jeffersonville, OH

Average daylight in September / Average sunshine in September - Jeffersonville, OH
  • 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 month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days in September
Jeffersonville, OH

Average sunshine days in September - Jeffersonville, OH
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.2 days).

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Average UV index in September
Jeffersonville, OH

Average UV index in September - Jeffersonville, OH
  • Average UV index in September: 4

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
Jeffersonville, OH

Average cloud cover in September - Jeffersonville, OH
  • Average cloud cover in September: 33

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Jeffersonville, OH

Average visibility in September - Jeffersonville, OH
  • Average visibility in September: 6mi

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

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Jeffersonville, Ohio, USA

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