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
With the onset of September, Raco's climate undergoes a slight change as the average high-temperature moves from an agreeable 72.3°F (22.4°C) in August to a refreshing 65.5°F (18.6°C). Raco throughout September, experiences an average nighttime temperature of 48.7°F (9.3°C).Humidity
In Raco, the average relative humidity in September is 82%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. Throughout the year, there are 116.4 rainfall days, and 22.09" (561mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Raco.Daylight
The average length of the day in September in Raco is 12h and 32min.On the first day of September, sunrise is at 7:00 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:20 pm EDT.
Sunshine
The average sunshine in September in Raco is 7.2h.UV index
In September, the average daily maximum UV index in Raco is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Raco in September?
What is the average humidity in September in Raco?
How much does it rain in Raco in September?
When it does not snow in Raco?
Does it snow in Raco in September?
What is the average length of the day in September in Raco?
What time are sunrise and sunset in September in Raco?
How many hours of sunshine does Raco have in September?
What is the UV index intensity in September in Raco?
Average temperature in September
Raco, MI
- Average high temperature in September: 65.5°F
The warmest month (with the highest average high temperature) is July (72.9°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in September: 48.7°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is February (8.1°F).
Average pressure in September
Raco, MI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Raco, MI
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is November (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Raco, MI
- Average humidity in September: 82%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Raco, MI
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in September
Raco, MI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is October (14.5 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Raco, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Raco, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Raco, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in September
Raco, MI
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is January (10.4 days).
Average UV index in September
Raco, MI
- Average UV index in September: 3
The months with the highest UV index are 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
Raco, MI
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Raco, MI
- Average visibility in September: 5mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February and March (4mi).
Raco, Michigan, USA
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