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's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's hot 87.4°F (30.8°C) to a moderately hot 80.1°F (26.7°C). Throughout the month of September, Richland witnesses an average temperature of 59.7°F (15.4°C).Humidity
July through November, with an average relative humidity of 73%, are the least humid months.Rainfall
In Richland, in September, during 10 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. In Richland, Missouri, during the entire year, the rain falls for 113.6 days and collects up to 12.72" (323mm) of precipitation.Snowfall
April through October are months without snowfall in Richland.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:38 pm. On the last day of September, in Richland, sunrise is at 7:05 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September in Richland is 9.6h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Take necessary precautions - Defending against sun damage is advocated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Richland in September?
What are the least humid months in Richland?
What is the average humidity in September in Richland?
How much does it rain in Richland in September?
When it does not snow in Richland?
What is the average length of the day in September in Richland?
What time are sunrise and sunset in September in Richland?
How long on average sun shines in September in Richland?
How high is the UV index in September in Richland?
Average temperature in September
Richland, MO
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Richland, MO
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Richland, MO
- Average wind speed in September: 6.2mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity in September
Richland, MO
- Average humidity in September: 73%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are July, August, September, October and November (73%).
Average rainfall in September
Richland, MO
- Average rainfall in September: 0.79"
The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and February (0.51").
Average rainfall days in September
Richland, MO
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (14.2 days).
The months with the least rainy days are January and December (4.8 days).
Average snowfall in September
Richland, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Richland, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Richland, 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 36min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Richland, MO
- Average sunshine days in September: 18 days
The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is May (14.3 days).
Average UV index in September
Richland, 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 and December (UV index 2).
Average cloud cover in September
Richland, MO
- Average cloud cover in September: 30
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in September
Richland, MO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Richland, Missouri, USA
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