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 shows a slight dip in September, from August's moderately hot 78.3°F (25.7°C) to an agreeable 70.3°F (21.3°C). Greenwald's September nights cool down to an average low-temperature of 50.7°F (10.4°C).Humidity
The average relative humidity in September is 73%.Rainfall
In Greenwald, in September, it is raining for 10.2 days, with typically 1.3" (33mm) of accumulated precipitation. In Greenwald, during the entire year, the rain falls for 107.6 days and collects up to 16.3" (414mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Greenwald, Minnesota, is 12h and 31min.On the first day of the month, sunrise is at 6:41 am and sunset at 7:56 pm. On the last day of September, in Greenwald, sunrise is at 7:17 am and sunset at 7:00 pm CDT.
Sunshine
The average sunshine in September in Greenwald is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Greenwald?
What is the average humidity in September in Greenwald?
How many days does it rain in September in Greenwald?
When it does not snow in Greenwald?
Does it snow in Greenwald in September?
What is the average length of the day in September in Greenwald?
When is the sunrise / sunset in September in Greenwald?
How long on average sun shines in September in Greenwald?
What is the UV index intensity in September in Greenwald?
Average temperature in September
Greenwald, MN
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in September: 50.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (4.8°F).
Average pressure in September
Greenwald, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Greenwald, MN
- Average wind speed in September: 8.4mph
The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Greenwald, MN
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Greenwald, MN
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is June (2.95").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in September
Greenwald, MN
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in September
Greenwald, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greenwald, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greenwald, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Greenwald, MN
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in September
Greenwald, 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
Greenwald, MN
- Average cloud cover in September: 33
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
Greenwald, 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).
Greenwald, Minnesota, USA
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