September weather forecast
Windsor, OH

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Weather in September

The first month of the autumn, September, is still a pleasant month in Windsor, Ohio, with an average temperature ranging between max 72.5°F (22.5°C) and min 55°F (12.8°C).

Temperature

Windsor, Ohio, experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a moderately hot 78.8°F (26°C) in August to a pleasant 72.5°F (22.5°C). The average low-temperature, in September, is a cool 55°F (12.8°C).

Humidity

In Windsor, the average relative humidity in September is 81%.

Rainfall

The month with the least rainfall in Windsor is September, when the rain falls for 15.9 days and typically collects 2.2" (56mm) of precipitation.

Snowfall

June through September are months without snowfall in Windsor.

Daylight

The average length of the day in September in Windsor is 12h and 28min.
On the first day of the month, sunrise is at 6:50 am and sunset at 7:56 pm. On the last day of September, in Windsor, sunrise is at 7:20 am and sunset at 7:06 pm EDT.

Sunshine

In Windsor, the average sunshine in September is 8h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, a daily UV index of 3 turns into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the average September temperature in Windsor?

The average high-temperature and low-temperature in Windsor, Ohio, during September are 72.5°F (22.5°C) and 55°F (12.8°C) respectively. In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the average humidity in September in Windsor?

In Windsor, the average relative humidity in September is 81%.

What is the driest month in Windsor?

The month with the least rainfall in Windsor is September, when the rain falls for 15.9 days and typically collects 2.2" (56mm) of precipitation.

How many days does it rain in September in Windsor?

In Windsor, Ohio, in September, it is raining for 15.9 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow in Windsor?

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

Does it snow in Windsor in September?

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

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

The average day length in September is 12h and 28min.

When are sunrise and sunset in September in Windsor?

On the first day of September in Windsor, Ohio, sunrise is at 6:50 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 7:06 pm EDT.

How long on average sun shines in September in Windsor?

In Windsor, Ohio, the average sunshine duration in September is 8h.

How high is the UV index in September in Windsor?

The average daily maximum UV index in September in Windsor is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Windsor, OH

Average temperature in September - Windsor, OH
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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Average pressure in September
Windsor, OH

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Windsor, OH

Average wind speed in September - Windsor, OH
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).

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Average humidity in September
Windsor, OH

Average humidity in September - Windsor, OH
  • Average humidity in September: 81%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (78%).

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Average rainfall in September
Windsor, OH

Average rainfall in September - Windsor, OH
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is September (2.2").

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Average rainfall days in September
Windsor, OH

Average rainfall days in September - Windsor, OH
  • Average rainfall days in September: 15.9 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (7.9 days).

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Average snowfall in September
Windsor, OH

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

The month with the highest snowfall is January (9.72").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Windsor, OH

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

The month with the highest number of snowfall days is January (20.9 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
Windsor, OH

Average daylight in September / Average sunshine in September - Windsor, OH
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in September
Windsor, OH

Average sunshine days in September - Windsor, OH
  • Average sunshine days in September: 11.8 days

The month with the most sunshine days is September (11.8 days).
The month with the least sunshine days is February (6.1 days).

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Average UV index in September
Windsor, OH

Average UV index in September - Windsor, OH
  • Average UV index in September: 3

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
Windsor, OH

Average cloud cover in September - Windsor, OH
  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in September
Windsor, OH

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

The months with the highest visibility are March, April, May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February and December (4mi).

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Windsor, Ohio, USA

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