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 advent of September brings a slight shift in average high-temperature, moving from a moderately hot 78.6°F (25.9°C) in August to an agreeable 72.3°F (22.4°C). Lafayette, in September, experiences an average temperature of 52.9°F (11.6°C) at night.Humidity
In Lafayette, the average relative humidity in September is 74%.Rainfall
In September, in Lafayette, the rain falls for 9 days. Throughout September, 1.02" (26mm) of precipitation is accumulated. In Lafayette, Minnesota, during the entire year, the rain falls for 96.2 days and collects up to 10.59" (269mm) of precipitation.Snowfall
In Lafayette, Minnesota, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:41 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:59 pm CDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Lafayette is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Make use of precautions - It is urged to ward off sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the temperature in September in Lafayette?
What is the average humidity in September in Lafayette?
How many days does it rain in September in Lafayette?
When it does not snow in Lafayette?
Does it snow in Lafayette in September?
What is the average length of the day in September in Lafayette?
When are sunrise and sunset in September in Lafayette?
How many hours of sunshine does Lafayette have in September?
How high is the UV index in September in Lafayette?
Average temperature in September
Lafayette, MN
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (7°F).
Average pressure in September
Lafayette, MN
- Average pressure in September: 30"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Lafayette, MN
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in September
Lafayette, 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, May and October (69%).
Average rainfall in September
Lafayette, MN
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is June (1.89").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Lafayette, MN
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is June (14.3 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Lafayette, MN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lafayette, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lafayette, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Lafayette, MN
- Average sunshine days in September: 19.4 days
The months with the most sunshine days are January and November (21.8 days).
The month with the least sunshine days is June (13.4 days).
Average UV index in September
Lafayette, 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
Lafayette, MN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Lafayette, MN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Lafayette, Minnesota, USA
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