September weather forecastVanduser, MO
September
Weather in September
September, the first month of the autumn in Vanduser, is also a moderately hot month, with an average temperature fluctuating between 81.3°F (27.4°C) and 62.2°F (16.8°C).Temperature
With the transition into September, Vanduser notes an average high-temperature of a warm 81.3°F (27.4°C), closely resembling August. Vanduser cools down to an average low-temperature of 62.2°F (16.8°C) throughout the month of September.Heat index
During September, the heat index is estimated at a hot 86°F (30°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young kids are often more at risk than adults as they tend to perspire less. Besides, their skin surface is larger relative to their small bodies, and their increased heat output from their active lifestyle compounds their risk.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall in Vanduser is September, when the rain falls for 12 days and typically collects 1.65" (42mm) of precipitation.Snowfall
May through October are months without snowfall in Vanduser.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:30 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:43 pm CDT.
Sunshine
In September, the average sunshine in Vanduser is 9.6h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vanduser, MO
- Average high temperature in September: 81.3°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in September
Vanduser, 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 (29.94"Hg).
Average wind speed in September
Vanduser, MO
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
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: 1.65"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.65").
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: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
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).
The 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: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
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).
The 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: 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).
