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 signals a slight drop in average high-temperature, sliding from August's warm 78.3°F (25.7°C) to a pleasant 70.7°F (21.5°C). In the month of September, Greenfield experiences an average low-temperature of 52.7°F (11.5°C).Humidity
In Greenfield, the average relative humidity in September is 74%.Rainfall
In Greenfield, Minnesota, in September, it is raining for 11.2 days, with typically 1.65" (42mm) of accumulated precipitation. In Greenfield, during the entire year, the rain falls for 118.6 days and collects up to 21.14" (537mm) of precipitation.Snowfall
June through September are months without snowfall in Greenfield, Minnesota.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:56 pm CDT.
Sunshine
In Greenfield, the average sunshine in September is 8.8h.UV index
The average daily maximum UV index in September in Greenfield is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the UV index of 4 transforms into the following advice:
Undertake protective steps - Preventing sun damage is advised. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Greenfield?
What is the average humidity in September in Greenfield?
How much does it rain in Greenfield in September?
When it does not snow in Greenfield?
Does it snow in Greenfield in September?
How many hours of daylight does Greenfield have in September?
When are sunrise and sunset in September in Greenfield?
How long on average sun shines in September in Greenfield?
How high is the UV index in September in Greenfield?
Average temperature in September
Greenfield, MN
- Average high temperature in September: 70.7°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 (19.8°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).
Average pressure in September
Greenfield, MN
- Average pressure in September: 29.99"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
Greenfield, MN
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in September
Greenfield, 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
Greenfield, MN
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in September
Greenfield, MN
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (2.5 days).
Average snowfall in September
Greenfield, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Greenfield, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greenfield, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Greenfield, MN
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is December (17.8 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Greenfield, MN
- Average UV index in September: 4
The months with the highest UV index are June and 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
Greenfield, MN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Greenfield, 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).
Greenfield, Minnesota, USA
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