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 signifies a gentle decline in Milan's average high-temperature, easing from a warm 78.3°F (25.7°C) in August to a pleasant 72.5°F (22.5°C). Milan records an average nighttime low of 55.4°F (13°C) in September.Humidity
In September, the average relative humidity in Milan is 78%.Rainfall
In Milan, during September, the rain falls for 12.8 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Milan, during the entire year, the rain falls for 159.1 days and collects up to 25.94" (659mm) of precipitation.Snowfall
In Milan, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:01 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:31 am and sunset at 7:17 pm EDT.
Sunshine
In Milan, Michigan, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index in Milan is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the temperature in September in Milan?
What is the average humidity in September in Milan?
How much does it rain in Milan in September?
When it does not snow in Milan?
Does it snow in Milan in September?
What is the average length of the day in September in Milan?
What time are sunrise and sunset in September in Milan?
How long on average sun shines in September in Milan?
What is the UV index intensity in September in Milan?
Average temperature in September
Milan, MI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Milan, MI
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Milan, MI
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Milan, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in September
Milan, MI
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is April (3.23").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in September
Milan, MI
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Milan, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Milan, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Milan, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Milan, MI
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Milan, MI
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Milan, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Milan, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Milan, Michigan, USA
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