September weather forecast
Bellefontaine Neighbors, MO

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Weather in September

September, the first month of the autumn in Bellefontaine Neighbors, is also a moderately hot month, with temperature in the range of an average low of 59.9°F (15.5°C) and an average high of 79.3°F (26.3°C).

Temperature

With September's onset, the weather reveals a slight temperature decrease, transitioning from 84.7°F (29.3°C) in August to a still moderately hot 79.3°F (26.3°C). Bellefontaine Neighbors's average low-temperature for the month of September records at a mild 59.9°F (15.5°C).

Humidity

The average relative humidity in September is 74%.

Rainfall

In Bellefontaine Neighbors, Missouri, during September, the rain falls for 13.5 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, in Bellefontaine Neighbors, Missouri, there are 159.5 rainfall days, and 36.06" (916mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Bellefontaine Neighbors.

Daylight

The average length of the day in September in Bellefontaine Neighbors 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

The average sunshine in September in Bellefontaine Neighbors is 9.5h.

UV index

In Bellefontaine Neighbors, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What are the temperatures in Bellefontaine Neighbors in September?

The average high-temperature and low-temperature in Bellefontaine Neighbors during September are 79.3°F (26.3°C) and 59.9°F (15.5°C) respectively. In August, the average heat index (a.k.a. 'apparent temperature', '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 Bellefontaine Neighbors?

In Bellefontaine Neighbors, Missouri, the average relative humidity in September is 74%.

How many days does it rain in September in Bellefontaine Neighbors?

In September, in Bellefontaine Neighbors, Missouri, the rain falls for 13.5 days. Throughout September, 2.28" (58mm) of precipitation is accumulated.

When it does not snow in Bellefontaine Neighbors?

In Bellefontaine Neighbors, snow does not fall in April through October.

What is the average length of the day in September in Bellefontaine Neighbors?

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

When is the sunrise / sunset in September in Bellefontaine Neighbors?

On the first day of September in Bellefontaine Neighbors, Missouri, 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 Bellefontaine Neighbors?

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

What is the UV index reading in September in Bellefontaine Neighbors?

The average daily maximum UV index in September in Bellefontaine Neighbors is 5. A UV Index value of 3 to 5 symbolizes 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
Bellefontaine Neighbors, MO

Average temperature in September - Bellefontaine Neighbors, MO
  • Average high temperature in September: 79.3°F

The warmest month (with the highest average high temperature) is July (86.2°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 (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in September
Bellefontaine Neighbors, MO

Average pressure in September - Bellefontaine Neighbors, 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
Bellefontaine Neighbors, MO

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

The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

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Average humidity in September
Bellefontaine Neighbors, MO

Average humidity in September - Bellefontaine Neighbors, MO
  • Average humidity in September: 74%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in September
Bellefontaine Neighbors, MO

Average rainfall in September - Bellefontaine Neighbors, MO
  • Average rainfall in September: 2.28"

The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is February (1.93").

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Average rainfall days in September
Bellefontaine Neighbors, MO

Average rainfall days in September - Bellefontaine Neighbors, MO
  • Average rainfall days in September: 13.5 days

The months with the highest number of rainy days are May and July (17.8 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in September
Bellefontaine Neighbors, MO

Average snowfall in September - Bellefontaine Neighbors, MO
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.4").
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
Bellefontaine Neighbors, MO

Average snowfall days in September - Bellefontaine Neighbors, MO
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.3 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
Bellefontaine Neighbors, MO

Average daylight in September / Average sunshine in September - Bellefontaine Neighbors, 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 month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in September
Bellefontaine Neighbors, MO

Average sunshine days in September - Bellefontaine Neighbors, MO
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is December (18 days).
The month with the least sunshine days is June (10.1 days).

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Average UV index in September
Bellefontaine Neighbors, MO

Average UV index in September - Bellefontaine Neighbors, 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
Bellefontaine Neighbors, MO

Average cloud cover in September - Bellefontaine Neighbors, MO
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).

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Average visibility in September
Bellefontaine Neighbors, MO

Average visibility in September - Bellefontaine Neighbors, 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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Bellefontaine Neighbors, Missouri, USA

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