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 sea temperature 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 introduction of September notes a subtle temperature variation to a comfortable 64.9°F (18.3°C) from August's 69.4°F (20.8°C). September sees a slight dip to an average low temperature of 56.7°F (13.7°C) from the daytime highs.Humidity
The months with the lowest humidity are September through November, with an average relative humidity of 77%.Rainfall
In Leland, during September, the rain falls for 11 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 110.5 rainfall days, and 14.8" (376mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Ocean temperature
In Leland, in September, the average water temperature is 65.7°F (18.7°C).Note: Swimming in water at 65.7°F (18.7°C) is not a pleasing experience for the majority. As the temperature descends from 69.8°F (21°C) to 59°F (15°C), controlling breathing becomes increasingly hard.
Daylight
In Leland, Michigan, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:19 pm. On the last day of September, in Leland, sunrise is at 7:40 am and sunset at 7:24 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
In Leland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Leland in September?
What are the least humid months?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the ocean temperature in September in Leland?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Leland?
Average temperature in September
Leland, MI
- Average high temperature in September: 64.9°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is August (62.6°F).
The coldest month (with the lowest average low temperature) is February (19.9°F).
Average pressure in September
Leland, 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
Leland, MI
- Average wind speed in September: 11.1mph
The windiest month (with the highest average wind speed) is November (15.1mph).
The calmest month (with the lowest average wind speed) is June (8.7mph).
Average humidity in September
Leland, MI
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are September, October and November (77%).
Average rainfall in September
Leland, MI
- Average rainfall in September: 1.14"
The wettest months (with the highest rainfall) are May, June and October (1.61").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in September
Leland, MI
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is October (15 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
Leland, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Leland, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Leland, MI
- Average sea temperature in September: 65.7°F
The best month for swimming (with the highest average sea temperature) is August (69.4°F).
The coldest month (with the lowest average sea temperature) is March (34.3°F).
Average daylight in September /
Average sunshine in September
Leland, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 0min
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
Leland, MI
- Average sunshine days in September: 17.4 days
The months with the most sunshine days are June and July (17.6 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Leland, 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
Leland, MI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in September
Leland, MI
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Leland, Michigan, USA
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