September weather forecast
Etterville, MO

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Etterville, Missouri, with an average temperature ranging between min 59.5°F (15.3°C) and max 79.9°F (26.6°C).

Temperature

A modest decline in the average high-temperature is seen during September, decreasing from a hot 87.1°F (30.6°C) in August to a warm 79.9°F (26.6°C). Etterville encounters an average low-temperature of 59.5°F (15.3°C) during September nights.

Humidity

In September, the average relative humidity in Etterville is 74%.

Rainfall

In Etterville, during September, the rain falls for 10.9 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Etterville, there are 136.9 rainfall days, and 26.02" (661mm) of precipitation is accumulated.

Snowfall

In Etterville, Missouri, snow does not fall in June through October.

Daylight

The average length of the day in September in Etterville is 12h and 25min.
On the first day of the month, sunrise is at 6:40 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:53 pm CDT.

Sunshine

In Etterville, the average sunshine in September is 9.5h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: In September, the UV index of 5 transforms into the following advice:
Adopt protective measures - It is advised to guard against sun damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures in Etterville?

The high-temperature during September is 79.9°F (26.6°C) and the low-temperature is 59.5°F (15.3°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 98.6°F (37°C).

What is the average humidity in September in Etterville?

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

How much does it rain in Etterville in September?

In Etterville, during September, the rain falls for 10.9 days and regularly aggregates up to 1.73" (44mm) of precipitation.

When it does not snow in Etterville?

June through October are months without snowfall.

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

The average day length in September in Etterville is 12h and 25min.

When is the sunrise / sunset in September in Etterville?

On the first day of September, sunrise is at 6:40 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:53 pm CDT.

How many hours of sunshine does Etterville have in September?

The average sunshine duration in September in Etterville, Missouri, is 9.5h.

What is the UV index intensity in September in Etterville?

In Etterville, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
Etterville, MO

Average temperature in September - Etterville, MO
  • Average high temperature in September: 79.9°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 59.5°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Etterville, MO

Average pressure in September - Etterville, MO
  • Average pressure in September: 30.03"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
Etterville, MO

Average wind speed in September - Etterville, MO
  • Average wind speed in September: 6.3mph

The windiest months (with the highest average wind speed) are January and March (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in September
Etterville, MO

Average humidity in September - Etterville, MO
  • Average humidity in September: 74%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are August and October (73%).

Average rainfall in September
Etterville, MO

Average rainfall in September - Etterville, MO
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (1.18").

Average rainfall days in September
Etterville, MO

Average rainfall days in September - Etterville, MO
  • Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is May (16.3 days).
The months with the least rainy days are January and December (6.7 days).

Average snowfall in September
Etterville, MO

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

The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Etterville, MO

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

The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Etterville, 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 months with the least sunshine are January and February (Average sunshine: 4h and 54min).

Average sunshine days in September
Etterville, MO

Average sunshine days in September - Etterville, MO
  • Average sunshine days in September: 16.6 days

The month with the most sunshine days is December (19.6 days).
The month with the least sunshine days is May (11.8 days).

Average UV index in September
Etterville, MO

Average UV index in September - Etterville, 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).

Average cloud cover in September
Etterville, MO

Average cloud cover in September - Etterville, MO
  • Average cloud cover in September: 30

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Etterville, MO

Average visibility in September - Etterville, 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).

Etterville, Missouri, USA

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