Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In Walnut Shade, the average high-temperature in September slightly decreases from a tropical 88.9°F (31.6°C) in August to a moderately hot 81.7°F (27.6°C). A sharp divergence from daytime highs is noted during the month of September, with the average nighttime temperature settling at a refreshing 59.7°F (15.4°C).Heat index
The heat index for September is calculated to be a tropical 86°F (30°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.For clarity, heat index numbers account for light winds and areas under shade. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
In September, the average relative humidity in Walnut Shade is 74%.Rainfall
In Walnut Shade, in September, during 11.8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Walnut Shade, Missouri, during the entire year, the rain falls for 142.8 days and collects up to 30.47" (774mm) of precipitation.Snowfall
In Walnut Shade, snow does not fall in May through October.Daylight
The average length of the day in September in Walnut Shade is 12h and 24min.On the first day of September, sunrise is at 6:44 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 6:57 pm CDT.
Sunshine
In Walnut Shade, the average sunshine in September is 9.4h.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 unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the usual temperature for Walnut Shade in September?
What is the average humidity in September in Walnut Shade?
How much does it rain in Walnut Shade in September?
When it does not snow in Walnut Shade?
How many hours of daylight does Walnut Shade have in September?
What time are sunrise and sunset in September in Walnut Shade?
How many hours of sunshine does Walnut Shade have in September?
What is the UV index reading in September in Walnut Shade?
Average temperature in September
Walnut Shade, MO
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Walnut Shade, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Walnut Shade, MO
- Average wind speed in September: 5.2mph
The windiest months (with the highest average wind speed) are January, February, March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in September
Walnut Shade, MO
- Average humidity in September: 74%
The months with the highest relative humidity are March and May (78%).
The months with the lowest relative humidity are January, July, August and October (73%).
Average rainfall in September
Walnut Shade, MO
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is February (1.42").
Average rainfall days in September
Walnut Shade, MO
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Walnut Shade, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Walnut Shade, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Walnut Shade, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 24min).
Average sunshine days in September
Walnut Shade, MO
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in September
Walnut Shade, 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 and December (UV index 2).
Average cloud cover in September
Walnut Shade, MO
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in September
Walnut Shade, MO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Walnut Shade, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location
