September weather forecast
Sedan, OH

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Sedan, Ohio, with an average temperature fluctuating between 56.5°F (13.6°C) and 77.9°F (25.5°C).

Temperature

Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a warm 84°F (28.9°C) to a still moderately hot 77.9°F (25.5°C). Sedan registers a consistent average low-temperature of 56.5°F (13.6°C) during September.

Humidity

April, August through November, with an average relative humidity of 76%, are the least humid months.

Rainfall

September is the month with the least rainfall. Rain falls for 11.9 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

In Sedan, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 7:02 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:28 am and sunset at 7:16 pm EDT.

Sunshine

In September, the average sunshine is 8.1h.

UV index

In Sedan, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 4 during September translates into the following guidance:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What is the usual temperature for Sedan in September?

September temperatures in Sedan vary between a high-temperature of 77.9°F (25.5°C) and a low-temperature of 56.5°F (13.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is appraised at 93.2°F (34°C).

What is the least humid month?

April, August through November, with an average relative humidity of 76%, are the least humid months.

What is the average humidity in September?

The average relative humidity in September is 76%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 11.9 days and typically collects 1.38" (35mm) of precipitation.

How much does it rain in September?

In Sedan, in September, it is raining for 11.9 days, with typically 1.38" (35mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Sedan have in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:02 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 7:16 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.1h.

What is the UV index intensity in September?

The average daily maximum UV index in September 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
Sedan, OH

Average temperature in September - Sedan, OH
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in September: 56.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in September
Sedan, OH

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

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Sedan, OH

Average wind speed in September - Sedan, OH
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
Sedan, OH

Average humidity in September - Sedan, OH
  • Average humidity in September: 76%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, August, September, October and November (76%).

Average rainfall in September
Sedan, OH

Average rainfall in September - Sedan, OH
  • Average rainfall in September: 1.38"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in September
Sedan, OH

Average rainfall days in September - Sedan, OH
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (8 days).

Average snowfall in September
Sedan, OH

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

The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Sedan, OH

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

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Sedan, OH

Average daylight in September / Average sunshine in September - Sedan, 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 30min).

  • Average sunshine in September: 8h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Sedan, OH

Average sunshine days in September - Sedan, OH
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in September
Sedan, OH

Average UV index in September - Sedan, 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).

Average cloud cover in September
Sedan, OH

Average cloud cover in September - Sedan, OH
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Sedan, OH

Average visibility in September - Sedan, OH
  • Average visibility in September: 5mi

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

Sedan, Ohio, USA

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