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
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 84.7°F (29.3°C) in August to a still moderately hot 78.3°F (25.7°C). The mean low-temperature during September nights is a moderate 59.9°F (15.5°C).Humidity
The average relative humidity in September is 75%.Rainfall
In Lee's Summit, during September, the rain falls for 12.3 days and regularly aggregates up to 2.72" (69mm) of precipitation. In Lee's Summit, during the entire year, the rain falls for 137.8 days and collects up to 29.53" (750mm) of precipitation.Snowfall
In Lee's Summit, snow does not fall in June through September.Daylight
In September, the average length of the day in Lee's Summit is 12h and 26min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:01 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index in Lee's Summit is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the usual temperature for Lee's Summit in September?
What is the average humidity in September in Lee's Summit?
How many days does it rain in September in Lee's Summit?
When it does not snow in Lee's Summit?
Does it snow in Lee's Summit in September?
How many hours of daylight does Lee's Summit have in September?
What time are sunrise and sunset in September in Lee's Summit?
How long on average sun shines in September in Lee's Summit?
What is the UV index reading in September in Lee's Summit?
Average temperature in September
Lee's Summit, MO
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Lee's Summit, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Lee's Summit, MO
- Average wind speed in September: 7.1mph
The windiest months (with the highest average wind speed) are February, March and April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Lee's Summit, MO
- Average humidity in September: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Lee's Summit, MO
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Lee's Summit, MO
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Lee's Summit, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lee's Summit, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lee's Summit, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Lee's Summit, MO
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is December (22.2 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Lee's Summit, 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, November and December (UV index 2).
Average cloud cover in September
Lee's Summit, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Lee's Summit, 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).
Lee's Summit, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location
