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 transition into September involves a small decrease in the average high-temperature, dipping slightly from a moderately hot 78.1°F (25.6°C) in August to an agreeable 71.6°F (22°C). Nighttime temperature in Sylvan Lake experiences an average drop to a fresh 54.3°F (12.4°C) in September.Humidity
The average relative humidity in September in Sylvan Lake is 78%.Rainfall
In Sylvan Lake, in September, during 13 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, in Sylvan Lake, there are 152.6 rainfall days, and 24.88" (632mm) of precipitation is accumulated.Snowfall
In Sylvan Lake, Michigan, snow does not fall in June through September.Daylight
In September, the average length of the day in Sylvan Lake, Michigan, is 12h and 29min.On the first day of the month, sunrise is at 6:59 am and sunset at 8:07 pm. On the last day of September, sunrise is at 7:30 am and sunset at 7:15 pm EDT.
Sunshine
The average sunshine in September in Sylvan Lake, Michigan, is 8h.UV index
In Sylvan Lake, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What is the average September temperature in Sylvan Lake?
What is the average humidity in September in Sylvan Lake?
How much does it rain in Sylvan Lake in September?
When it does not snow in Sylvan Lake?
Does it snow in Sylvan Lake in September?
What is the average length of the day in September in Sylvan Lake?
When are sunrise and sunset in September in Sylvan Lake?
How long on average sun shines in September in Sylvan Lake?
How high is the UV index in September in Sylvan Lake?
Average temperature in September
Sylvan Lake, MI
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Sylvan Lake, MI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Sylvan Lake, MI
- Average wind speed in September: 7.2mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Sylvan Lake, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Sylvan Lake, MI
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days in September
Sylvan Lake, MI
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Sylvan Lake, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Sylvan Lake, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sylvan Lake, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Sylvan Lake, 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 January (9.5 days).
Average UV index in September
Sylvan Lake, MI
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Sylvan Lake, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Sylvan Lake, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Sylvan Lake, Michigan, USA
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