September weather forecast
Wellston, MO

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Weather in September

The first month of the autumn, September, is still a warm month in Wellston, Missouri, with an average temperature ranging between max 79.7°F (26.5°C) and min 60.1°F (15.6°C).

Temperature

In Wellston, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 85.5°F (29.7°C) to a still moderately hot 79.7°F (26.5°C). In the month of September, Wellston records a consistent average low-temperature of 60.1°F (15.6°C).

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Wellston, during September, the rain falls for 12 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 144.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.

Snowfall

In Wellston, Missouri, snow does not fall in April through October.

Daylight

The average length of the day in September is 12h and 25min.
On the first day of September, 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.

Sunshine

In September, the average sunshine is 9.6h.

UV index

In Wellston, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Wellston?

An average high-temperature, in September, in Wellston, is 79.7°F (26.5°C) and the average low-temperature is 60.1°F (15.6°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 95°F (35°C).

What is the average humidity in September in Wellston?

The average relative humidity in September in Wellston is 73%.

How much does it rain in Wellston in September?

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

When it does not snow in Wellston?

April through October are months without snowfall in Wellston.

What is the average length of the day in September in Wellston?

In Wellston, Missouri, the average day length in September is 12h and 25min.

When is the sunrise / sunset in September in Wellston?

On the first day of September in Wellston, 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 long on average sun shines in September in Wellston?

In September, the average sunshine duration in Wellston, Missouri, is 9.6h.

What is the UV index intensity in September in Wellston?

In September, the average daily maximum UV index in Wellston 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
Wellston, MO

Average temperature in September - Wellston, 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
Wellston, MO

Average pressure in September - Wellston, 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
Wellston, MO

Average wind speed in September - Wellston, 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
Wellston, MO

Average humidity in September - Wellston, 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
Wellston, MO

Average rainfall in September - Wellston, 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
Wellston, MO

Average rainfall days in September - Wellston, 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
Wellston, MO

Average snowfall in September - Wellston, 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
Wellston, MO

Average snowfall days in September - Wellston, 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
Wellston, MO

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

Average sunshine days in September - Wellston, 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
Wellston, MO

Average UV index in September - Wellston, 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
Wellston, MO

Average cloud cover in September - Wellston, 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
Wellston, MO

Average visibility in September - Wellston, 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).

Wellston, Missouri, USA

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