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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a hot 86.7°F (30.4°C) to a moderately hot 80.1°F (26.7°C). Throughout September, Rivermines encounters an average temperature drop to a moderate 59.2°F (15.1°C).Humidity
In Rivermines, the average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.4 days and accumulates 1.89" (48mm) of precipitation.Snowfall
In Rivermines, Missouri, snow does not fall in April through October.Daylight
In Rivermines, the average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:31 pm. On the last day of September, in Rivermines, Missouri, sunrise is at 6:57 am and sunset at 6:46 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the temperature in September in Rivermines?
What is the average humidity in September in Rivermines?
What is the driest month in Rivermines?
How many days does it rain in September in Rivermines?
When it does not snow in Rivermines?
How many hours of daylight does Rivermines have in September?
When are sunrise and sunset in September in Rivermines?
How long on average sun shines in September in Rivermines?
What is the UV index reading in September in Rivermines?
Average temperature in September
Rivermines, MO
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (39.6°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Rivermines, 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 (29.93"Hg).
Average wind speed in September
Rivermines, MO
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Rivermines, MO
- Average humidity in September: 75%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Rivermines, MO
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Rivermines, MO
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is December (7.7 days).
Average snowfall in September
Rivermines, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rivermines, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7 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
Rivermines, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in September
Rivermines, MO
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Rivermines, MO
- Average UV index in September: 5
The months with the highest UV index are May, 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
Rivermines, MO
- Average cloud cover in September: 32
The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Rivermines, MO
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Rivermines, Missouri, USA
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