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 transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a hot 86.5°F (30.3°C) in August to a warm 80.1°F (26.7°C). September witnesses an average low-temperature hovering around a mild 60.1°F (15.6°C).Humidity
The average relative humidity in September is 72%.Rainfall
In Peerless Park, in September, it is raining for 11.9 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, in Peerless Park, there are 141.7 rainfall days, and 32.01" (813mm) of precipitation is accumulated.Snowfall
Months with snowfall in Peerless Park are January through March, September, November and December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Peerless Park, there are 18.9 snowfall days, and 7.2" (183mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 6:31 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:45 pm CDT.
Sunshine
In Peerless Park, Missouri, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 5 suggests this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are the temperatures in Peerless Park in September?
What is the average humidity in September in Peerless Park?
How much does it rain in Peerless Park in September?
When does it start to snow in Peerless Park?
What is the average length of the day in September in Peerless Park?
When is the sunrise / sunset in September in Peerless Park?
How many hours of sunshine does Peerless Park have in September?
What is the UV index intensity in September in Peerless Park?
Average temperature in September
Peerless Park, MO
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Peerless Park, 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 (29.92"Hg).
Average wind speed in September
Peerless Park, MO
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Peerless Park, MO
- Average humidity in September: 72%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Peerless Park, MO
- Average rainfall in September: 2.17"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in September
Peerless Park, MO
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Peerless Park, MO
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (2.52").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in September
Peerless Park, MO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (6.7 days).
The months with the least snowfall days are April, May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Peerless Park, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Peerless Park, MO
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is December (20.1 days).
The months with the least sunshine days are May and July (12.6 days).
Average UV index in September
Peerless Park, MO
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Peerless Park, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in September
Peerless Park, 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).
Peerless Park, Missouri, USA
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