September weather forecast
Middletown, OH

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Weather in September

September signifies the arrival of fall in Middletown. A clear fall in temperature to 76.3°F (24.6°C) signals a transition from the summer heat. Still, it offers plenty of warm days for outdoor recreation without the intense heat of the summer months. While the days begin to get visibly shorter, sunshine hours do not drop dramatically just yet. The expected rainfall is lower than that experienced in the summer, making September an enjoyable month.

Temperature

The shift into September finds Middletown, Ohio, at an average high-temperature of a still warm 76.3°F (24.6°C), closely comparable to August's conditions. In Middletown, September's nights observe an average temperature dip to a mild 57.6°F (14.2°C).

Humidity

In Middletown, Ohio, the average relative humidity in September is 76%.

Rainfall

In Middletown, during September, the rain falls for 12.4 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Middletown, there are 148.1 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

In Middletown, Ohio, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September in Middletown, sunrise is at 7:06 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:21 pm EDT.

Sunshine

In Middletown, the average sunshine in September is 8.2h.

UV index

The average daily maximum UV index in September in Middletown is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the UV index of 5 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What is the usual temperature for Middletown in September?

The high-temperature, in September, in Middletown, records 76.3°F (24.6°C), while the low-temperature is 57.6°F (14.2°C). The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 87.8°F (31°C).

What is the average humidity in September in Middletown?

In September, the average relative humidity in Middletown is 76%.

How many days does it rain in September in Middletown?

In Middletown, in September, during 12.4 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

When it does not snow in Middletown?

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

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

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

What time are sunrise and sunset in September in Middletown?

On the first day of September in Middletown, sunrise is at 7:06 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 7:21 pm EDT.

How many hours of sunshine does Middletown have in September?

The average sunshine duration in September in Middletown is 8.2h.

How high is the UV index in September in Middletown?

In Middletown, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to 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
Middletown, OH

Average temperature in September - Middletown, OH
  • Average high temperature in September: 76.3°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 57.6°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in September
Middletown, OH

Average pressure in September - Middletown, OH
  • Average pressure in September: 30.03"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
Middletown, OH

Average wind speed in September - Middletown, OH
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in September
Middletown, OH

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

The months with the highest relative humidity are January and December (82%).
The months with the lowest relative humidity are October and November (75%).

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Average rainfall in September
Middletown, OH

Average rainfall in September - Middletown, OH
  • Average rainfall in September: 1.61"

The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is October (1.57").

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Average rainfall days in September
Middletown, OH

Average rainfall days in September - Middletown, OH
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7.8 days).

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Average snowfall in September
Middletown, OH

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

The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in September
Middletown, OH

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

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Middletown, 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 24min).

  • Average sunshine in September: 8h and 1min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in September
Middletown, OH

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

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in September
Middletown, OH

Average UV index in September - Middletown, OH
  • Average UV index in September: 5

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
Middletown, OH

Average cloud cover in September - Middletown, OH
  • Average cloud cover in September: 34

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in September
Middletown, OH

Average visibility in September - Middletown, OH
  • Average visibility in September: 6mi

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

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Middletown, Ohio, USA

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