September weather forecast and climate
Vanduser, MO

September, the first month of the autumn, in Vanduser, is also a moderately hot month, with average temperature ranging between max 81.3°F (27.4°C) and min 62.2°F (16.8°C).

Temperature

In Vanduser, the average high-temperature is almost the same as in August - a moderately hot 81.3°F (27.4°C). In September, in Vanduser, Missouri, the average low-temperature is 62.2°F (16.8°C).

Heat index

In September, the average heat index is appraised at 85.8°F (29.9°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'apparent temperature', 'feels like', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like pregnancy, differences in body mass, height, and shape, metabolic differences, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In Vanduser, the average relative humidity in September is 73%.

Rainfall

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.65" (42mm) of precipitation.

Snowfall

In Vanduser snow does not fall in May through October.

Daylight

In September, the average length of the day is 12.4h.

Sunshine

In Vanduser, the average sunshine in September is 9.6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Vanduser?

In September, in Vanduser, Missouri, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 62.2°F (16.8°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), that combines both air temperature and relative humidity, is calculated to 85.8°F (29.9°C).

What is the average humidity in September in Vanduser?

The average relative humidity in September in Vanduser, Missouri, is 73%.

How many days does it rain in September in Vanduser?

In Vanduser, Missouri, in September, it is raining for 12 days, with typically 1.65" (42mm) of accumulated precipitation.

What is the driest month in Vanduser?

September is the month with the least rainfall. Rain falls for 12 days and accumulates 1.65" (42mm) of precipitation.

When it does not snow in Vanduser?

In Vanduser snow does not fall in May through October.

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

The average length of the day in September in Vanduser is 12.4h.

How many hours of sunshine does Vanduser have in September?

The average sunshine in September in Vanduser is 9.6h.

What is the UV index reading in September in Vanduser?

In September, the average daily maximum UV index in Vanduser, Missouri, is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Vanduser, MO
  • Average high temperature in September: 27.4°C

The warmest month (with the highest average high temperature) is July (31.1°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in September: 16.8°C

The month with the highest average low temperature is July (21.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

Average pressure in September - Vanduser, MO
  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is January (1021.5mbar).
The month with the lowest atmospheric pressure is June (1013.8mbar).

Average wind speed in September - Vanduser, MO
  • Average wind speed in September: 10.4km/h

The windiest month (with the highest average wind speed) is February (15.2km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

Average humidity in September - Vanduser, MO
  • Average humidity in September: 73%

The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).

Average rainfall in September - Vanduser, MO
  • Average rainfall in September: 42mm

The wettest month (with the highest rainfall) is April (113mm).
The driest month (with the least rainfall) is September (42mm).

Average rainfall days in September - Vanduser, MO
  • Average rainfall days in September: 12 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in September - Vanduser, MO
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (46mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is February (3.7 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Vanduser, MO
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.7h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is June (Average sunshine: 10.8h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

Average sunshine days in September - Vanduser, MO
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (11.8 days).

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

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September - Vanduser, MO
  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in September - Vanduser, MO
  • Average visibility in September: 9km

Months with the highest visibility are June and October (10km).
Months with the lowest visibility are January, February, March, April, May, July, August, September, November and December (9km).