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
September sees a slight reduction in average high-temperature, with a shift from a tropical 87.1°F (30.6°C) in August to a warm 79.9°F (26.6°C). Throughout September, the nighttime temperature averages to a mild 59.7°F (15.4°C).Humidity
In September, the average relative humidity in Highlandville is 74%.Rainfall
In Highlandville, in September, during 12.9 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In Highlandville, during the entire year, the rain falls for 151.2 days and collects up to 33.62" (854mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
The average length of the day in September is 12h and 24min.On the first day of September in Highlandville, sunrise is at 6:44 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:57 pm CDT.
Sunshine
In Highlandville, Missouri, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To guard against the harmful effects of the Sun, minimize exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Highlandville?
What is the average humidity in September in Highlandville?
How much does it rain in Highlandville in September?
When it does not snow in Highlandville?
What is the average length of the day in September in Highlandville?
When is the sunrise / sunset in September in Highlandville?
How many hours of sunshine does Highlandville have in September?
What is the UV index intensity in September in Highlandville?
Average temperature in September
Highlandville, MO
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (41.9°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in September
Highlandville, MO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Highlandville, MO
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Highlandville, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in September
Highlandville, MO
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in September
Highlandville, MO
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Highlandville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Highlandville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Highlandville, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Highlandville, MO
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Highlandville, MO
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Highlandville, MO
- Average cloud cover in September: 31
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Highlandville, 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).
Highlandville, Missouri, USA
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