September weather forecast
Fairport, MO

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Weather in September

September, the first month of the autumn in Fairport, is still a warm month, with an average temperature varying between 57.6°F (14.2°C) and 77°F (25°C).

Temperature

As September begins, there is a minor decrease in the average high-temperature, softly falling from 82.4°F (28°C) in August to a still moderately hot 77°F (25°C). During September, the temperature in Fairport tends to dip to an average of 57.6°F (14.2°C) at night.

Humidity

The average relative humidity in September is 76%.

Rainfall

In Fairport, Missouri, during September, the rain falls for 11 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Fairport, during the entire year, the rain falls for 130.3 days and collects up to 25.71" (653mm) of precipitation.

Snowfall

June through September are months without snowfall in Fairport.

Daylight

The average length of the day in September in Fairport is 12h and 26min.
On the first day of the month, sunrise is at 6:45 am and sunset at 7:48 pm. On the last day of September, in Fairport, sunrise is at 7:13 am and sunset at 7:00 pm CDT.

Sunshine

In September, the average sunshine in Fairport is 9.3h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 5 during September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What are September temperatures in Fairport?

In Fairport, 77°F (25°C) is the average high-temperature and 57.6°F (14.2°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 89.6°F (32°C).

What is the average humidity in September in Fairport?

The average relative humidity in September in Fairport, Missouri, is 76%.

How much does it rain in Fairport in September?

In Fairport, Missouri, in September, it is raining for 11 days, with typically 2.44" (62mm) of accumulated precipitation.

When it does not snow in Fairport?

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

Does it snow in Fairport in September?

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

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

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

When is the sunrise / sunset in September in Fairport?

In September, on the first day of the month, sunrise is at 6:45 am and sunset at 7:48 pm. On the last day of the month, in Fairport, sunrise is at 7:13 am and sunset at 7:00 pm CDT.

How many hours of sunshine does Fairport have in September?

In Fairport, the average sunshine duration in September is 9.3h.

What is the UV index intensity in September in Fairport?

The average daily maximum UV index in September in Fairport, Missouri, is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Fairport, MO

Average temperature in September - Fairport, MO
  • Average high temperature in September: 77°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in September: 57.6°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in September
Fairport, MO

Average pressure in September - Fairport, MO
  • Average pressure in September: 30.01"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in September
Fairport, MO

Average wind speed in September - Fairport, MO
  • Average wind speed in September: 7.4mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in September
Fairport, MO

Average humidity in September - Fairport, MO
  • Average humidity in September: 76%

The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are October and November (71%).

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Average rainfall in September
Fairport, MO

Average rainfall in September - Fairport, MO
  • Average rainfall in September: 2.44"

The wettest month (with the highest rainfall) is June (3.98").
The driest months (with the least rainfall) are January and February (0.91").

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Average rainfall days in September
Fairport, MO

Average rainfall days in September - Fairport, MO
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (4.9 days).

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Average snowfall in September
Fairport, MO

Average snowfall in September - Fairport, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Fairport, MO

Average snowfall days in September - Fairport, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.8 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
Fairport, MO

Average daylight in September / Average sunshine in September - Fairport, MO
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in September
Fairport, MO

Average sunshine days in September - Fairport, MO
  • Average sunshine days in September: 16.7 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in September
Fairport, MO

Average UV index in September - Fairport, MO
  • Average UV index in September: 5

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in September
Fairport, MO

Average cloud cover in September - Fairport, MO
  • Average cloud cover in September: 29

The months with the most cloud cover are January and March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in September
Fairport, MO

Average visibility in September - Fairport, MO
  • 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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Fairport, Missouri, USA

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