September weather forecast and climate
North Lilbourn, MO

The first month of the autumn, September, is still a warm month in North Lilbourn, Missouri, with average temperature varying between 81.7°F (27.6°C) and 63°F (17.2°C).

Temperature

In September, the average high-temperature is relatively the same as in August - a warm 81.7°F (27.6°C). The average low-temperature, in September, is 63°F (17.2°C).

Heat index

The average heat index is evaluated at a hot 86.2°F (30.1°C). Exhaustion is likely with prolonged exposure and activity. Sustaining activity may result in heat cramps.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature', 'feels like', 'apparent temperature', or 'real feel', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. Additional factors like activity, clothing, metabolic differences, and wind affect individual temperature impact. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

In September, the average relative humidity in North Lilbourn is 72%.

Rainfall

September is the month with the least rainfall in North Lilbourn, Missouri. 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 is 12.4h.

Sunshine

The average sunshine in North Lilbourn is 9.6h.

UV index

The average daily maximum UV index in North Lilbourn is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in North Lilbourn?

The average high-temperature, in September, is 81.7°F (27.6°C), while the average low-temperature is 63°F (17.2°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines air temperature and relative humidity, is evaluated at 86.2°F (30.1°C).

What is the average humidity in September in North Lilbourn?

In North Lilbourn, the average relative humidity in September is 72%.

How many days does it rain in September in North Lilbourn?

In North Lilbourn, in September, it is raining for 10.6 days, with typically 1.42" (36mm) of accumulated precipitation.

What is the driest month in North Lilbourn?

September is the month with the least rainfall in North Lilbourn, Missouri. Rain falls for 10.6 days and accumulates 1.42" (36mm) of precipitation.

Does it snow in North Lilbourn in September?

In North Lilbourn, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in North Lilbourn?

In North Lilbourn snow does not fall in April through September.

How many hours of daylight does North Lilbourn have in September?

In September, the average length of the day is 12.4h.

How many hours of sunshine does North Lilbourn have in September?

In September, the average sunshine in North Lilbourn, Missouri, is 9.6h.

What is the UV index reading in September in North Lilbourn?

In September, the average daily maximum UV index in North Lilbourn, Missouri, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in September - North Lilbourn, MO
  • Average high temperature in September: 27.6°C

The warmest month (with the highest average high temperature) is July (30.9°C).
The month with the lowest average high temperature is January (6°C).

  • Average low temperature in September: 17.2°C

The month with the highest average low temperature is July (21.4°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).

Average pressure in September - North Lilbourn, MO
  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is January (1021.5mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).

Average wind speed in September - North Lilbourn, MO
  • Average wind speed in September: 10.4km/h

The windiest month (with the highest average wind speed) is February (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).

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: 36mm

The wettest month (with the highest rainfall) is March (108mm).
The driest month (with the least rainfall) is September (36mm).

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: 0mm

The month with the highest snowfall is February (37mm).
Months with the least snowfall are April, May, June, July, August and September (0mm).

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).
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: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 9.6h

The month with the most sunshine is June (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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

Months with the highest UV index are May, June, July and August (UV index 6).
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

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: 9km

Months with the highest visibility are June and October (10km).
Months with the lowest visibility are January, February, March, April, May, July, August, September, November and December (9km).