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
September brings a slight decrease in temperature, down from a warm 78.1°F (25.6°C) in August to an agreeable 72.3°F (22.4°C). Throughout September, Brownlee Park's nights cool down to an average of 53.2°F (11.8°C).Humidity
The average relative humidity in September in Brownlee Park is 79%.Rainfall
In September, the rain falls for 11.2 days. Throughout September, 1.26" (32mm) of precipitation is accumulated. Throughout the year, there are 141.9 rainfall days, and 19.69" (500mm) of precipitation is accumulated.Snowfall
In Brownlee Park, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Brownlee Park, sunrise is at 7:06 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:23 pm EDT.
Sunshine
In September, the average sunshine is 8h.UV index
In Brownlee Park, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the usual temperature for Brownlee Park in September?
What is the average humidity in September in Brownlee Park?
How much does it rain in Brownlee Park in September?
When it does not snow in Brownlee Park?
Does it snow in Brownlee Park in September?
What is the average length of the day in September in Brownlee Park?
When are sunrise and sunset in September in Brownlee Park?
How many hours of sunshine does Brownlee Park have in September?
What is the UV index reading in September in Brownlee Park?
Average temperature in September
Brownlee Park, MI
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Brownlee Park, 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
Brownlee Park, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).
Average humidity in September
Brownlee Park, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Brownlee Park, MI
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (2.68").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days in September
Brownlee Park, MI
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Brownlee Park, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brownlee Park, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brownlee Park, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
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 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Brownlee Park, MI
- Average sunshine days in September: 16 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is February (9.9 days).
Average UV index in September
Brownlee Park, MI
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Brownlee Park, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Brownlee Park, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Brownlee Park, Michigan, USA
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