September weather forecast
Bellerive, MO

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Weather in September

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

Temperature

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from 85.5°F (29.7°C) to a still moderately hot 79.7°F (26.5°C). In the month of September, Bellerive experiences an average low-temperature of 60.1°F (15.6°C).

Humidity

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

Rainfall

In September, 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 in Bellerive, Missouri.

Daylight

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

Sunshine

In Bellerive, the average sunshine in September is 9.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Bellerive?

The high-temperature during September is 79.7°F (26.5°C) and the low-temperature is 60.1°F (15.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 95°F (35°C).

What is the average humidity in September in Bellerive?

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

How much does it rain in Bellerive in September?

In Bellerive, in September, it is raining for 12 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Bellerive?

April through October are months without snowfall in Bellerive, Missouri.

How many hours of daylight does Bellerive have in September?

The average day length in September in Bellerive is 12h and 26min.

When is the sunrise / sunset in September in Bellerive?

On the first day of September in Bellerive, Missouri, 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 Bellerive have in September?

The average sunshine duration in September in Bellerive, Missouri, is 9.6h.

What is the UV index intensity in September in Bellerive?

The average daily maximum UV index in September in Bellerive, Missouri, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Bellerive, MO

Average temperature in September - Bellerive, 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
Bellerive, MO

Average pressure in September - Bellerive, 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
Bellerive, MO

Average wind speed in September - Bellerive, 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
Bellerive, MO

Average humidity in September - Bellerive, 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
Bellerive, MO

Average rainfall in September - Bellerive, 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
Bellerive, MO

Average rainfall days in September - Bellerive, 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
Bellerive, MO

Average snowfall in September - Bellerive, 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
Bellerive, MO

Average snowfall days in September - Bellerive, 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
Bellerive, MO

Average daylight in September / Average sunshine in September - Bellerive, 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
Bellerive, MO

Average sunshine days in September - Bellerive, 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
Bellerive, MO

Average UV index in September - Bellerive, 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
Bellerive, MO

Average cloud cover in September - Bellerive, 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
Bellerive, MO

Average visibility in September - Bellerive, 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).

Bellerive, Missouri, USA

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