September weather forecast
Flordell Hills, MO

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Weather in September

September, the first month of the autumn in Flordell Hills, is also a moderately hot month, with an average temperature ranging between max 79.7°F (26.5°C) and min 60.1°F (15.6°C).

Temperature

In September, the average high-temperature marginally drops from 85.5°F (29.7°C) in August to a still warm 79.7°F (26.5°C). Flordell Hills's average low-temperature is measured at a mild 60.1°F (15.6°C) during September.

Humidity

The average relative humidity in September is 73%.

Rainfall

In September, in Flordell Hills, the rain falls for 12 days. Throughout September, 1.97" (50mm) of precipitation is accumulated. Throughout the year, there are 144.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Flordell Hills, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:30 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:44 pm CDT.

Sunshine

In Flordell Hills, the average sunshine in September is 9.6h.

UV index

In Flordell Hills, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Flordell Hills?

September temperatures in Flordell Hills vary between a high-temperature of 79.7°F (26.5°C) and a low-temperature of 60.1°F (15.6°C). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 95°F (35°C).

What is the average humidity in September?

In September, the average relative humidity is 73%.

How much does it rain in September?

In September, the rain falls for 12 days. Throughout September, 1.97" (50mm) of precipitation is accumulated.

When it does not snow in Flordell Hills?

April through October are months without snowfall.

What is the average length of the day in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:30 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:44 pm CDT.

How long on average sun shines in September?

In Flordell Hills, the average sunshine duration in September is 9.6h.

What is the UV index intensity in September?

In Flordell Hills, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from 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
Flordell Hills, MO

Average temperature in September - Flordell Hills, MO
  • Average high temperature in September: 79.7°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (37.8°F).

  • Average low temperature in September: 60.1°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Flordell Hills, MO

Average pressure in September - Flordell Hills, 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).

Average wind speed in September
Flordell Hills, MO

Average wind speed in September - Flordell Hills, MO
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in September
Flordell Hills, MO

Average humidity in September - Flordell Hills, 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%).

Average rainfall in September
Flordell Hills, MO

Average rainfall in September - Flordell Hills, MO
  • Average rainfall in September: 1.97"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is February (1.69").

Average rainfall days in September
Flordell Hills, MO

Average rainfall days in September - Flordell Hills, MO
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in September
Flordell Hills, MO

Average snowfall in September - Flordell Hills, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.6").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September
Flordell Hills, MO

Average snowfall days in September - Flordell Hills, MO
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Flordell Hills, MO

Average daylight in September / Average sunshine in September - Flordell Hills, 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 4min

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

Average sunshine days in September
Flordell Hills, MO

Average sunshine days in September - Flordell Hills, MO
  • Average sunshine days in September: 15.2 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.2 days).

Average UV index in September
Flordell Hills, MO

Average UV index in September - Flordell Hills, 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 and December (UV index 2).

Average cloud cover in September
Flordell Hills, MO

Average cloud cover in September - Flordell Hills, MO
  • Average cloud cover in September: 28

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

Average visibility in September
Flordell Hills, MO

Average visibility in September - Flordell Hills, 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).

Flordell Hills, Missouri, USA

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