September weather forecastMilan, IN
September
Weather in September
September, the first month of the autumn in Milan, is still a warm month, with an average temperature varying between 58.3°F (14.6°C) and 76.8°F (24.9°C).Temperature
A subtle shift in Milan's weather is observed as August turns into September, with the average high temperature reducing from 82.6°F (28.1°C) to a still warm 76.8°F (24.9°C). During September, the temperature tends to dip to an average of 58.3°F (14.6°C) at night.Humidity
In September, the average relative humidity in Milan is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.5 days and typically collects 0.28" (7mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Milan, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:36 am and sunset at 7:24 pm EDT.
Sunshine
In Milan, the average sunshine in September is 8.3h.UV index
In Milan, the average daily maximum UV index in September is 5. 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: In September, a daily UV index of 5 turns into the following recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Milan, IN
- Average high temperature in September: 76.8°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in September
Milan, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Milan, IN
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in September
Milan, IN
- Average humidity in September: 76%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Milan, IN
- Average rainfall in September: 0.28"
The wettest month (with the highest rainfall) is May (0.79").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in September
Milan, IN
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is May (10.1 days).
The months with the least rainy days are February and November (5.5 days).
Average snowfall in September
Milan, IN
- Average snowfall in September: 0"
The month with the highest snowfall is March (0.43").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Milan, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Milan, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Milan, IN
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is October (22.8 days).
The month with the least sunshine days is July (16.2 days).
Average UV index in September
Milan, IN
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Milan, IN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Milan, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).





