September weather forecast
Aberdeen, OH

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Weather in September

September marks the onset of fall in Aberdeen, Ohio. The hot summer days quickly transform into crisp fall ones, displaying a magnificent array of autumn colors. The marked reduction in temperature signals the retreat of summer. September also sees a drop in rainfall, bringing clearer skies and pleasant weather. The ambiance in the city changes as the heat dissipitates, replaced by the serene beauty of fall.

Temperature

The onset of September brings a small shift in high-temperatures, falling from a moderately hot 84.2°F (29°C) in August to a still warm 77.9°F (25.5°C). During September, an average low-temperature of 57.7°F (14.3°C) is observed in Aberdeen.

Humidity

The months with the lowest humidity in Aberdeen are April, August through November, with an average relative humidity of 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.65" (42mm) of precipitation.

Snowfall

In Aberdeen, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 7:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

The average daily maximum UV index in September in Aberdeen, Ohio, is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 in September translates into this advice:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun is at its strongest around midday, find shade and limit exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Aberdeen in September?

Aberdeen in September has an average high-temperature of 77.9°F (25.5°C) and an average low-temperature of 57.7°F (14.3°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 93.2°F (34°C).

What is the least humid month?

The months with the lowest humidity in Aberdeen are April, August through November, with an average relative humidity of 76%.

What is the average humidity in September?

In September, the average relative humidity is 76%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.65" (42mm) of precipitation.

How many days does it rain in September?

In Aberdeen, in September, it is raining for 12.6 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 7:04 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.

How many hours of sunshine does Aberdeen have in September?

In September, the average sunshine duration is 8.3h.

What is the UV index reading in September?

In Aberdeen, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Aberdeen, OH

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

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in September: 57.7°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Aberdeen, OH

Average pressure in September - Aberdeen, 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
Aberdeen, OH

Average wind speed in September - Aberdeen, OH
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in September
Aberdeen, OH

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

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, August, September, October and November (76%).

Average rainfall in September
Aberdeen, OH

Average rainfall in September - Aberdeen, OH
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.65").

Average rainfall days in September
Aberdeen, OH

Average rainfall days in September - Aberdeen, OH
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is November (10.6 days).

Average snowfall in September
Aberdeen, OH

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

The month with the highest snowfall is February (2.28").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Aberdeen, OH

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

The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Aberdeen, OH
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • 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: 4h and 0min).

Average sunshine days in September
Aberdeen, OH

Average sunshine days in September - Aberdeen, OH
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10 days).

Average UV index in September
Aberdeen, OH

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

The months with the highest UV index are May, 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
Aberdeen, OH

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

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Aberdeen, OH

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

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

Aberdeen, Ohio, USA

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