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
During the shift to September, Assinins records a mild decrease in average high-temperature, moving from a pleasant 73°F (22.8°C) in August to a refreshing 65.8°F (18.8°C). During the month of September, the temperature generally drops to a low average of 49.3°F (9.6°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Assinins, in September, it is raining for 13.5 days, with typically 1.89" (48mm) of accumulated precipitation. In Assinins, during the entire year, the rain falls for 125.7 days and collects up to 21.61" (549mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Assinins, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 7:14 am and sunset at 8:32 pm. On the last day of September, in Assinins, sunrise is at 7:52 am and sunset at 7:34 pm EDT.
Sunshine
In Assinins, Michigan, the average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are September temperatures in Assinins?
What is the average humidity in September in Assinins?
How much does it rain in Assinins in September?
When it does not snow in Assinins?
Does it snow in Assinins in September?
What is the average length of the day in September in Assinins?
What time are sunrise and sunset in September in Assinins?
How many hours of sunshine does Assinins have in September?
What is the UV index intensity in September in Assinins?
Average temperature in September
Assinins, MI
- Average high temperature in September: 65.8°F
The warmest month (with the highest average high temperature) is July (74.1°F).
The month with the lowest average high temperature is January (21.2°F).
- Average low temperature in September: 49.3°F
The months with the highest average low temperature are July and August (55.4°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in September
Assinins, MI
- Average pressure in September: 30"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
Assinins, MI
- Average wind speed in September: 7.9mph
The windiest months (with the highest average wind speed) are January, November and December (9.6mph).
The calmest months (with the lowest average wind speed) are June and July (7mph).
Average humidity in September
Assinins, MI
- Average humidity in September: 79%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Assinins, MI
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Assinins, MI
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Assinins, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Assinins, MI
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (25.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Assinins, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Assinins, MI
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is January (5.1 days).
Average UV index in September
Assinins, 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, October, November and December (UV index 1).
Average cloud cover in September
Assinins, MI
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Assinins, MI
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (4mi).
Assinins, Michigan, USA
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