September weather forecast
Monroe, OH

Weather in September

September, the first month of the autumn, in Monroe, is still a warm month, with average temperature ranging between max 76.3°F (24.6°C) and min 57.6°F (14.2°C).

Temperature

In Monroe, the average high-temperature slightly decreases, from 81.7°F (27.6°C) in August, to a still warm 76.3°F (24.6°C). In Monroe, Ohio,, the average low-temperature is 57.6°F (14.2°C).

Humidity

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

Rainfall

September and October are months with the least rain in Monroe, Ohio, when the rain falls for 11.9 days and typically aggregates up to 1.34" (34mm) of rain.

Snowfall

May through October are months without snowfall in Monroe.

Daylight

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

Sunshine

In Monroe, the average sunshine is 8.3h.

UV index

In Monroe, Ohio, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary 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. 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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FAQ

What is the average humidity in September in Monroe?

The average relative humidity in September in Monroe is 76%.

What is the driest month in Monroe?

September and October are months with the least rain in Monroe when the rain falls for 11.9 days and typically aggregates up to 1.34" (34mm) of rain.

How many days does it rain in September in Monroe?

In Monroe, Ohio, during September, the rain falls for 11.9 days and regularly aggregates up to 1.34" (34mm) of precipitation.

When it does not snow in Monroe?

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

How many hours of daylight does Monroe have in September?

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

How many hours of sunshine does Monroe have in September?

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

What is the UV index intensity in September in Monroe?

The average daily maximum UV index in September in Monroe is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in September
Monroe, OH

Average temperature in September - Monroe, OH
  • Average high temperature in September: 76.3°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 (34.7°F).

  • Average low temperature in September: 57.6°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).

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Average pressure in September
Monroe, OH

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

Months with the highest atmospheric pressure are January and November (30.14").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in September
Monroe, OH

Average wind speed in September - Monroe, OH
  • Average wind speed in September: 6.1mph

The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in September
Monroe, OH

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

The month with the highest relative humidity is January (82%).
Months with the lowest relative humidity are October and November (75%).

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Average rainfall in September
Monroe, OH

Average rainfall in September - Monroe, OH
  • Average rainfall in September: 1.34"

The wettest month (with the highest rainfall) is May (2.8").
The driest months (with the least rainfall) are September and October (1.34").

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Average rainfall days in September
Monroe, OH

Average rainfall days in September - Monroe, OH
  • Average rainfall days in September: 11.9 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (7.8 days).

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Average snowfall in September
Monroe, OH

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

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

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Average snowfall days in September
Monroe, OH

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

The month with the highest number of snowfall days is January (8.3 days).
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
Monroe, OH

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

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 8.3h

Months with the most sunshine are June, July and August (Average sunshine: 10.2h).
The month with the least sunshine is January (Average sunshine: 3.8h).

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Average sunshine days in September
Monroe, OH

Average sunshine days in September - Monroe, OH
  • Average sunshine days in September: 16 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11.9 days).

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Average UV index in September
Monroe, OH

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

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
Monroe, OH

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

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in September
Monroe, OH

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

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

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