September weather forecast
Weston, MO

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Weather in September

September, the first month of the autumn in Weston, is still a warm month, with an average temperature fluctuating between 77.9°F (25.5°C) and 59.2°F (15.1°C).

Temperature

Weston's weather subtly changes with the onset of September, barely falling from a warm 84.6°F (29.2°C) in August to a still moderately hot 77.9°F (25.5°C). During September nights, Weston records an average temperature of 59.2°F (15.1°C).

Humidity

The average relative humidity in September in Weston is 75%.

Rainfall

In Weston, during September, the rain falls for 12.4 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Weston, during the entire year, the rain falls for 130.5 days and collects up to 26.38" (670mm) of precipitation.

Snowfall

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

Daylight

In Weston, Missouri, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:15 am and sunset at 7:03 pm CDT.

Sunshine

In Weston, Missouri, the average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 5 during September leads to these advisories:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Weston in September?

In September, in Weston, the average high-temperature is 77.9°F (25.5°C), and the average low-temperature is 59.2°F (15.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 95°F (35°C).

What is the average humidity in September in Weston?

In Weston, the average relative humidity in September is 75%.

How much does it rain in Weston in September?

In Weston, Missouri, during September, the rain falls for 12.4 days and regularly aggregates up to 2.52" (64mm) of precipitation.

When it does not snow in Weston?

June through September are months without snowfall in Weston, Missouri.

Does it snow in Weston in September?

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

How many hours of daylight does Weston have in September?

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

What time are sunrise and sunset in September in Weston?

On the first day of September in Weston, sunrise is at 6:48 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:03 pm CDT.

How long on average sun shines in September in Weston?

In September, the average sunshine duration is 9.3h.

How high is the UV index in September in Weston?

In Weston, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Weston, MO

Average temperature in September - Weston, MO
  • Average high temperature in September: 77.9°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

Average pressure in September
Weston, MO

Average pressure in September - Weston, MO
  • Average pressure in September: 30"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).

Average wind speed in September
Weston, MO

Average wind speed in September - Weston, MO
  • Average wind speed in September: 7.3mph

The windiest months (with the highest average wind speed) are February and March (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in September
Weston, MO

Average humidity in September - Weston, MO
  • Average humidity in September: 75%

The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in September
Weston, MO

Average rainfall in September - Weston, MO
  • Average rainfall in September: 2.52"

The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (0.87").

Average rainfall days in September
Weston, MO

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

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in September
Weston, MO

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

The month with the highest snowfall is February (2.32").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Weston, MO

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

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Weston, MO

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in September
Weston, MO

Average sunshine days in September - Weston, MO
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is January (22 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in September
Weston, MO

Average UV index in September - Weston, 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).

Average cloud cover in September
Weston, MO

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

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in September
Weston, MO

Average visibility in September - Weston, 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).

Weston, Missouri, USA

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