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 average high-temperature during September registers at a moderately hot 81.7°F (27.6°C), closely corresponding to the preceding month. During September, the nighttime temperature averages to a comfortable 63°F (17.2°C).Heat index
The heat index for September is computed to be a tropical 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Take note of the fact that heat index values are based on shaded circumstances with light airflows. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', takes into account both air temperature and humidity to illustrate what people actually feel. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Lilbourn, the average relative humidity in September is 72%.Rainfall
The month with the least rainfall in Lilbourn, Missouri, is September, when the rain falls for 10.6 days and typically collects 1.42" (36mm) of precipitation.Snowfall
In Lilbourn, Missouri, snow does not fall in April through September.Daylight
In September, the average length of the day in Lilbourn 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 6:42 pm CDT.
Sunshine
In Lilbourn, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Lilbourn in September?
What is the average humidity in September in Lilbourn?
What is the driest month in Lilbourn?
How many days does it rain in September in Lilbourn?
When it does not snow in Lilbourn?
Does it snow in Lilbourn in September?
What is the average length of the day in September in Lilbourn?
When is the sunrise / sunset in September in Lilbourn?
How long on average sun shines in September in Lilbourn?
How high is the UV index in September in Lilbourn?
Average temperature in September
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
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
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
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
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
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
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
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
Lilbourn, 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 4min
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
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
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
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
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).
Lilbourn, Missouri, USA
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