September weather forecast
Jeffersonville, OH

Weather in September

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

Temperature

In September, the average high-temperature is practically the same as in August - a still warm 74.7°F (23.7°C). In Jeffersonville, Ohio, in September, the average low-temperature is 56.7°F (13.7°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 13.5 days and accumulates 1.89" (48mm) of precipitation.

Snowfall

June through September are months without snowfall in Jeffersonville.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 7:02 am and sunset at 8:06 pm. On the last day of September, in Jeffersonville, sunrise is at 7:29 am and sunset at 7:19 pm EDT.

Sunshine

In Jeffersonville, Ohio, the average sunshine in September is 8.3h.

UV index

In Jeffersonville, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Jeffersonville?

In September, in Jeffersonville, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 56.7°F (13.7°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in July is appraised at 86°F (30°C).

What is the average humidity in September in Jeffersonville?

The average relative humidity in September in Jeffersonville is 77%.

What is the driest month in Jeffersonville?

September is the month with the least rainfall in Jeffersonville. Rain falls for 13.5 days and accumulates 1.89" (48mm) of precipitation.

How much does it rain in Jeffersonville in September?

In September, in Jeffersonville, the rain falls for 13.5 days. Throughout September, 1.89" (48mm) of precipitation is accumulated.

When it does not snow in Jeffersonville?

June through September are months without snowfall in Jeffersonville.

Does it snow in Jeffersonville in September?

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

How many hours of daylight does Jeffersonville have in September?

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

When is the sunrise / sunset in September in Jeffersonville?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 7:19 pm EDT.

How long on average sun shines in September in Jeffersonville?

In September, the average sunshine duration in Jeffersonville is 8.3h.

What is the UV index intensity in September in Jeffersonville?

In September, the average daily maximum UV index in Jeffersonville is 4. A UV Index 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 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 26min

The month with the longest days is June (Average daylight: 14h and 56min).
The month with the shortest days is December (Average daylight: 9h and 25min).

  • Average sunshine in September: 8h and 18min

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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