September weather forecastSouth Lineville, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in South Lineville, Missouri, with an average temperature ranging between min 56.3°F (13.5°C) and max 76.1°F (24.5°C).Temperature
With the arrival of September, South Lineville experiences a modest decline in average high-temperatures, transitioning from a warm 81.9°F (27.7°C) in August to a still moderately hot 76.1°F (24.5°C). The temperature lowers to an average of 56.3°F (13.5°C) during September nights.Humidity
In September, the average relative humidity is 77%.Rainfall
In South Lineville, in September, during 11.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In South Lineville, during the entire year, the rain falls for 132.4 days and collects up to 20.24" (514mm) of precipitation.Snowfall
In South Lineville, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:45 pm. On the last day of September, in South Lineville, Missouri, sunrise is at 7:10 am and sunset at 6:57 pm CDT.
Sunshine
The average sunshine in September in South Lineville is 9.4h.UV index
In South Lineville, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
South Lineville, MO
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
South Lineville, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
South Lineville, MO
- Average wind speed in September: 7.9mph
The windiest months (with the highest average wind speed) are January, February and March (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in September
South Lineville, MO
- Average humidity in September: 77%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
South Lineville, MO
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January and December (0.67").
Average rainfall days in September
South Lineville, MO
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
South Lineville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Lineville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Lineville, MO
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
South Lineville, MO
- Average sunshine days in September: 16 days
The month with the most sunshine days is December (20.3 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in September
South Lineville, MO
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
South Lineville, MO
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
South Lineville, 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).
