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 subtle shift in temperature, with the average high moving from a warm 74.1°F (23.4°C) in August to a refreshing 65.3°F (18.5°C). During September, Markham sees a mean low-temperature of 47.1°F (8.4°C).Humidity
In Markham, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 11.9 days. Throughout September, 1.69" (43mm) of precipitation is accumulated. Throughout the year, in Markham, there are 100.3 rainfall days, and 17.87" (454mm) of precipitation is accumulated.Snowfall
In Markham, snow does not fall in June through September.Daylight
In September, the average length of the day 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, in Markham, sunrise is at 7:07 am and sunset at 6:49 pm CDT.
Sunshine
In Markham, the average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Undertake precautions - Guarding against sun damage is counselled. When the Sun is at its strongest around midday, find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Markham have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Markham have in September?
What is the UV index reading in September?
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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