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 onset of September entails a subtle temperature shift, as the average high-temperature eases from 82.4°F (28°C) in August to a still warm 76.8°F (24.9°C). La Plata throughout September, records an average low-temperature of 57.4°F (14.1°C).Humidity
In September, the average relative humidity is 76%.Rainfall
In September, in La Plata, the rain falls for 9.7 days. Throughout September, 1.65" (42mm) of precipitation is accumulated. Throughout the year, there are 127.8 rainfall days, and 19.53" (496mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:40 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:53 pm CDT.
Sunshine
In La Plata, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index in La Plata is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 5 in September translates into these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in La Plata?
What is the average humidity in September in La Plata?
How much does it rain in La Plata in September?
When it does not snow in La Plata?
Does it snow in La Plata in September?
What is the average length of the day in September in La Plata?
When is the sunrise / sunset in September in La Plata?
How long on average sun shines in September in La Plata?
What is the UV index intensity in September in La Plata?
Average temperature in September
La Plata, MO
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
La Plata, 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 (29.9"Hg).
Average wind speed in September
La Plata, MO
- Average wind speed in September: 7.6mph
The windiest months (with the highest average wind speed) are January and February (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
La Plata, MO
- Average humidity in September: 76%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
La Plata, MO
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (2.91").
The driest month (with the least rainfall) is December (0.79").
Average rainfall days in September
La Plata, MO
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (5 days).
Average snowfall in September
La Plata, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
La Plata, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.6 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
La Plata, MO
- Average daylight in September: 12h and 2min
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 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in September
La Plata, MO
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
La Plata, MO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
La Plata, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
La Plata, 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).
La Plata, Missouri, USA
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