September weather forecastNorth Lilbourn, MO
September
Weather in September
September, the first month of the autumn in North Lilbourn, is still a warm month, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 81.7°F (27.6°C).Temperature
Transitioning from August to September, North Lilbourn observes an average high-temperature of a moderately hot 81.7°F (27.6°C), differing subtly from the previous month. North Lilbourn observes an average nighttime temperature of 63°F (17.2°C) during September.Heat index
For September, the heat index is evaluated at a hot 86°F (30°C). Long-lasting exposure and activity potentially induce a sense of weariness, with the risk of heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', reflects the feeling of heat when considering both air temperature and humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In North Lilbourn, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 10.6 days and accumulates 1.42" (36mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in September in North Lilbourn is 12h and 24min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:42 pm CDT.
Sunshine
In September, the average sunshine in North Lilbourn is 9.6h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 5 in September translates into this advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
North Lilbourn, MO
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in September
North Lilbourn, 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
North Lilbourn, MO
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
North Lilbourn, MO
- Average humidity in September: 72%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
North Lilbourn, MO
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is March (4.25").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in September
North Lilbourn, MO
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
North Lilbourn, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
North Lilbourn, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
North Lilbourn, MO
- Average daylight in September: 12h and 24min
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 36min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
North Lilbourn, MO
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
North Lilbourn, 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 and December (UV index 2).
Average cloud cover in September
North Lilbourn, MO
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
North Lilbourn, 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).





