September weather forecast and climate
Alledonia, OH

Weather in September

The first month of the autumn, September, is also a moderately hot month in Alledonia, Ohio, with average temperature ranging between min 55°F (12.8°C) and max 76.5°F (24.7°C).

Temperature

In September, the average high-temperature marginally drops, from 82.4°F (28°C) in August, to a still moderately hot 76.5°F (24.7°C). In Alledonia, the average low-temperature is 55°F (12.8°C).

Humidity

The average relative humidity in Alledonia is 79%.

Rainfall

In Alledonia, it is raining for 14.9 days, with typically 2.24" (57mm) of accumulated precipitation. In Alledonia, during the entire year, the rain falls for 184.1 days and collects up to 33.58" (853mm) of precipitation.

Snowfall

In Alledonia snow does not fall in May through October.

Daylight

In Alledonia, the average length of the day in September is 12.4h.

Sunshine

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

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Alledonia?

In September, the average high-temperature is 76.5°F (24.7°C), and the average low-temperature is 55°F (12.8°C).

What is the average humidity in September in Alledonia?

In Alledonia, Ohio, the average relative humidity in September is 79%.

How many days does it rain in September in Alledonia?

In Alledonia, during September, the rain falls for 14.9 days and regularly aggregates up to 2.24" (57mm) of precipitation.

When it does not snow in Alledonia?

May through October are months without snowfall in Alledonia, Ohio.

How many hours of daylight does Alledonia have in September?

In Alledonia, the average length of the day in September is 12.4h.

How long on average sun shines in September in Alledonia?

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

How high is the UV index in September in Alledonia?

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 unprotected exposure to the UV radiation.

Average temperature in September
Alledonia, OH

Average temperature in September - Alledonia, OH
  • Average high temperature in September: 76.5°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in September
Alledonia, OH

Average pressure in September - Alledonia, OH
  • Average pressure in September: 30.05"

The month with the highest atmospheric pressure is November (30.14").
The month with the lowest atmospheric pressure is June (29.95").

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Average wind speed in September
Alledonia, OH

Average wind speed in September - Alledonia, OH
  • Average wind speed in September: 4.9mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in September
Alledonia, OH

Average humidity in September - Alledonia, OH
  • Average humidity in September: 79%

Months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (77%).

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Average rainfall in September
Alledonia, OH

Average rainfall in September - Alledonia, OH
  • Average rainfall in September: 2.24"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is November (2.2").

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Average rainfall days in September
Alledonia, OH

Average rainfall days in September - Alledonia, OH
  • Average rainfall days in September: 14.9 days

The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is February (11.3 days).

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Average snowfall in September
Alledonia, OH

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

The month with the highest snowfall is January (5.31").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Alledonia, OH

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

The month with the highest number of snowfall days is January (16.1 days).
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
Alledonia, OH

Average daylight in September / Average sunshine in September - Alledonia, OH
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 8.3h

The month with the most sunshine is August (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 3.1h).

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Average sunshine days in September
Alledonia, OH

Average sunshine days in September - Alledonia, OH
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is November (15.9 days).
The month with the least sunshine days is January (7.7 days).

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Average UV index in September
Alledonia, OH

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

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

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Average cloud cover in September
Alledonia, OH

Average cloud cover in September - Alledonia, OH
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in September
Alledonia, OH

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

The month with the highest visibility is April (6mi).
Months with the lowest visibility are January and February (4mi).

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