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
Markham's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 74.1°F (23.4°C) to a refreshing 65.3°F (18.5°C). Throughout September, the nighttime temperature in Markham, Minnesota, averages to a frosty 47.1°F (8.4°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Markham, in September, during 11.9 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 100.3 rainfall days, and 17.87" (454mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Markham, Minnesota.Daylight
In Markham, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:48 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:49 pm CDT.
Sunshine
The average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are September temperatures in Markham?
What is the average humidity in September in Markham?
How many days does it rain in September in Markham?
When it does not snow in Markham?
Does it snow in Markham in September?
What is the average length of the day in September in Markham?
When is the sunrise / sunset in September in Markham?
How many hours of sunshine does Markham have in September?
What is the UV index reading in September in Markham?
Average temperature in September
Markham, MN
- Average high temperature in September: 65.3°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (14.4°F).
- Average low temperature in September: 47.1°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (0°F).
Average pressure in September
Markham, MN
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Markham, MN
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in September
Markham, MN
- Average humidity in September: 79%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Markham, MN
- Average rainfall in September: 1.69"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in September
Markham, MN
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is June (13.1 days).
The month with the least rainy days is January (1.4 days).
Average snowfall in September
Markham, MN
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Markham, MN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Markham, MN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in September
Markham, MN
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is August (18.3 days).
The month with the least sunshine days is March (12.5 days).
Average UV index in September
Markham, MN
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Markham, MN
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Markham, MN
- Average visibility in September: 5mi
The months with the highest visibility are May, June, July and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Markham, Minnesota, USA
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