September weather forecast
Ferguson, MO

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Weather in September

The arrival of September in Ferguson brings a change in the rhythm of the weather. The temperatures start to dip, indicating the arrival of fall with temperatures averaging from 79.5°F (26.4°C) to 59.9°F (15.5°C). September welcomes the fall with shorter sunshine hours and brisk winds. The rainfall subsides from previous months, allowing residents to enjoy the cool yet dry weather. The transition from summer to fall is evidenced by the changing colours of foliage, creating a spectacular view in Ferguson.

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a warm 85.3°F (29.6°C) in August to a still moderately hot 79.5°F (26.4°C). Ferguson experiences an average low-temperature reading of 59.9°F (15.5°C) throughout September.

Humidity

In Ferguson, the average relative humidity in September is 73%.

Rainfall

In Ferguson, in September, it is raining for 12.4 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Ferguson, Missouri, there are 149 rainfall days, and 31.61" (803mm) of precipitation is accumulated.

Snowfall

In Ferguson, snow does not fall in April through October.

Daylight

In Ferguson, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:31 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:45 pm CDT.

Sunshine

In September, the average sunshine is 9.5h.

UV index

In September, the average daily maximum UV index in Ferguson is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 5 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What is the temperature in September in Ferguson?

The high-temperature, in September, in Ferguson, is 79.5°F (26.4°C), while the low-temperature averages to 59.9°F (15.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 95°F (35°C).

What is the average humidity in September in Ferguson?

In September, the average relative humidity in Ferguson is 73%.

How much does it rain in Ferguson in September?

In Ferguson, in September, it is raining for 12.4 days, with typically 2.01" (51mm) of accumulated precipitation.

When it does not snow in Ferguson?

In Ferguson, snow does not fall in April through October.

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

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

When are sunrise and sunset in September in Ferguson?

On the first day of September in Ferguson, sunrise is at 6:31 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:45 pm CDT.

How many hours of sunshine does Ferguson have in September?

In Ferguson, Missouri, the average sunshine duration in September is 9.5h.

What is the UV index intensity in September in Ferguson?

The average daily maximum UV index in September in Ferguson is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Ferguson, MO

Average temperature in September - Ferguson, MO
  • Average high temperature in September: 79.5°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.2°F).

  • Average low temperature in September: 59.9°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

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Average pressure in September
Ferguson, MO

Average pressure in September - Ferguson, MO
  • Average pressure in September: 30.02"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in September
Ferguson, MO

Average wind speed in September - Ferguson, MO
  • Average wind speed in September: 6.1mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.6mph).

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Average humidity in September
Ferguson, MO

Average humidity in September - Ferguson, MO
  • Average humidity in September: 73%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in September
Ferguson, MO

Average rainfall in September - Ferguson, MO
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is February (1.69").

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Average rainfall days in September
Ferguson, MO

Average rainfall days in September - Ferguson, MO
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7.3 days).

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Average snowfall in September
Ferguson, MO

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

The month with the highest snowfall is February (2.95").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Ferguson, MO

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

The month with the highest number of snowfall days is January (6.7 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
Ferguson, MO

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 9h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in September
Ferguson, MO

Average sunshine days in September - Ferguson, MO
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (11 days).

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Average UV index in September
Ferguson, MO

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

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).

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Average cloud cover in September
Ferguson, MO

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

The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in September
Ferguson, MO

Average visibility in September - Ferguson, 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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Ferguson, Missouri, USA

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