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 average high-temperature slightly decreases in September, shifting from a warm 77.5°F (25.3°C) in August to a pleasant 68.9°F (20.5°C). In September, Richwood experiences an average nighttime temperature of 50°F (10°C).Humidity
In Richwood, the average relative humidity in September is 70%.Rainfall
In September, in Richwood, the rain falls for 9.7 days. Throughout September, 1.26" (32mm) of precipitation is accumulated. In Richwood, during the entire year, the rain falls for 109.9 days and collects up to 19.72" (501mm) of precipitation.Snowfall
In Richwood, snow does not fall in June through September.Daylight
In Richwood, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 6:43 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:04 pm CDT.
Sunshine
In Richwood, the average sunshine in September is 8.6h.UV index
In Richwood, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are September temperatures in Richwood?
What is the average humidity in September in Richwood?
How much does it rain in Richwood in September?
When it does not snow in Richwood?
Does it snow in Richwood in September?
How many hours of daylight does Richwood have in September?
What time are sunrise and sunset in September in Richwood?
How long on average sun shines in September in Richwood?
What is the UV index intensity in September in Richwood?
Average temperature in September
Richwood, MN
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (15.6°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (1.9°F).
Average pressure in September
Richwood, MN
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Richwood, MN
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is October (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).
Average humidity in September
Richwood, MN
- Average humidity in September: 70%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Richwood, MN
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Richwood, MN
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in September
Richwood, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Richwood, MN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (19.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Richwood, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Richwood, MN
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Richwood, 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
Richwood, MN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Richwood, MN
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Richwood, Minnesota, USA
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