September weather forecast
Bethany, MO

Weather in September

The first month of the autumn, September, is still a warm month in Bethany, Missouri, with temperature in the range of an average low of 57.4°F (14.1°C) and an average high of 76.8°F (24.9°C).

Temperature

In September, the average high-temperature slightly decreases from 82.4°F (28°C) in August to a still moderately hot 76.8°F (24.9°C). In September, the average low-temperature is 57.4°F (14.1°C).

Humidity

The average relative humidity in September in Bethany is 76%.

Rainfall

In Bethany, during September, the rain falls for 11.3 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Bethany, during the entire year, the rain falls for 129.2 days and collects up to 25.35" (644mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Bethany, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:43 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:11 am and sunset at 7:00 pm CDT.

Sunshine

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

UV index

In Bethany, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in September in Bethany?

The average relative humidity in September in Bethany is 76%.

How many days does it rain in September in Bethany?

In Bethany, Missouri, during September, the rain falls for 11.3 days and regularly aggregates up to 2.48" (63mm) of precipitation.

When it does not snow in Bethany?

In Bethany, Missouri, snow does not fall in June through September.

Does it snow in Bethany in September?

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

How many hours of daylight does Bethany have in September?

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

What time are sunrise and sunset in September in Bethany?

On the first day of September in Bethany, sunrise is at 6:43 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 7:00 pm CDT.

How many hours of sunshine does Bethany have in September?

The average sunshine duration in September is 9.3h.

How high is the UV index in September in Bethany?

The average daily maximum UV index in September in Bethany is 5. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Bethany, MO

Average temperature in September - Bethany, MO
  • Average high temperature in September: 76.8°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in September: 57.4°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in September
Bethany, MO

Average pressure in September - Bethany, 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
Bethany, MO

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

The windiest month (with the highest average wind speed) is March (10mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in September
Bethany, MO

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

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

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Average rainfall in September
Bethany, MO

Average rainfall in September - Bethany, MO
  • Average rainfall in September: 2.48"

The wettest month (with the highest rainfall) is June (3.86").
The driest months (with the least rainfall) are January and February (0.91").

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Average rainfall days in September
Bethany, MO

Average rainfall days in September - Bethany, MO
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (4.1 days).

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Average snowfall in September
Bethany, MO

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

The month with the highest snowfall is January (3.62").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Bethany, MO

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

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

Average daylight in September / Average sunshine in September - Bethany, MO
  • Average daylight in September: 12h and 26min

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 22min).

  • Average sunshine in September: 9h and 18min

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 36min).

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Average sunshine days in September
Bethany, MO

Average sunshine days in September - Bethany, MO
  • Average sunshine days in September: 17 days

The month with the most sunshine days is November (21.1 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in September
Bethany, MO

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

The months with the highest UV index are 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
Bethany, MO

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

The months with the most cloud cover are January and March (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in September
Bethany, MO

Average visibility in September - Bethany, 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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