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
With the onset of September, Richfield's average high-temperature slightly adjusts, moderately receding from August's moderately hot 78.8°F (26°C) to a pleasant 71.4°F (21.9°C). The average nighttime temperature in Richfield lowers to a fresh 53.2°F (11.8°C) throughout September.Humidity
In September, the average relative humidity is 74%.Rainfall
In Richfield, during September, the rain falls for 11.7 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Richfield, during the entire year, the rain falls for 119.7 days and collects up to 21.77" (553mm) of precipitation.Snowfall
June through September are months without snowfall in Richfield.Daylight
In Richfield, the average length of the day in September is 12h and 31min.On the first day of September in Richfield, Minnesota, sunrise is at 6:36 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:54 pm CDT.
Sunshine
In September, the average sunshine in Richfield is 8.7h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Richfield?
What is the average humidity in September in Richfield?
How many days does it rain in September in Richfield?
When it does not snow in Richfield?
Does it snow in Richfield in September?
What is the average length of the day in September in Richfield?
When is the sunrise / sunset in September in Richfield?
How many hours of sunshine does Richfield have in September?
What is the UV index reading in September in Richfield?
Average temperature in September
Richfield, MN
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (20.5°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).
Average pressure in September
Richfield, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Richfield, MN
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).
Average humidity in September
Richfield, MN
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (71%).
Average rainfall in September
Richfield, MN
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
Richfield, MN
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Richfield, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.63").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Richfield, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Richfield, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Richfield, MN
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in September
Richfield, MN
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Richfield, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Richfield, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Richfield, Minnesota, USA
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