September weather forecast
Maineville, OH

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Weather in September

September, the first month of the autumn in Maineville, is also a moderately hot month, with an average temperature fluctuating between 58.1°F (14.5°C) and 76.6°F (24.8°C).

Temperature

A subtle shift in Maineville's weather is observed as August turns into September, with the average high temperature reducing from a moderately hot 82°F (27.8°C) to a still warm 76.6°F (24.8°C). Maineville's average low-temperature in September is measured at a refreshing 58.1°F (14.5°C).

Humidity

In Maineville, the average relative humidity in September is 75%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.42" (36mm) of precipitation.

Snowfall

In Maineville, 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 September, sunrise is at 7:06 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:20 pm EDT.

Sunshine

In September, the average sunshine in Maineville is 8.3h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Maineville in September?

In Maineville, 76.6°F (24.8°C) is the average high-temperature and 58.1°F (14.5°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 87.8°F (31°C).

What is the average humidity in September?

In Maineville, Ohio, the average relative humidity in September is 75%.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 1.42" (36mm) of precipitation.

How many days does it rain in September?

In Maineville, in September, it is raining for 12.6 days, with typically 1.42" (36mm) of accumulated precipitation.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

In Maineville, 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 7:06 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:20 pm EDT.

How long on average sun shines in September?

In Maineville, the average sunshine duration in September is 8.3h.

What is the UV index intensity in September?

In Maineville, the average daily maximum UV index in September is 4. A UV Index estimate 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
Maineville, OH

Average temperature in September - Maineville, OH
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in September: 58.1°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in September
Maineville, OH

Average pressure in September - Maineville, 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).

Average wind speed in September
Maineville, OH

Average wind speed in September - Maineville, OH
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in September
Maineville, OH

Average humidity in September - Maineville, OH
  • Average humidity in September: 75%

The months with the highest relative humidity are January, February and December (81%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Maineville, OH

Average rainfall in September - Maineville, OH
  • Average rainfall in September: 1.42"

The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in September
Maineville, OH

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

The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in September
Maineville, OH

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

The months with the highest snowfall are February and March (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Maineville, OH

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

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Maineville, 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 2min

The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in September
Maineville, OH

Average sunshine days in September - Maineville, OH
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (10.9 days).

Average UV index in September
Maineville, OH

Average UV index in September - Maineville, 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
Maineville, OH

Average cloud cover in September - Maineville, OH
  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September
Maineville, OH

Average visibility in September - Maineville, 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).

Maineville, Ohio, USA

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