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 heralds a minor drop in average high-temperature, sliding from August's warm 77.5°F (25.3°C) to a pleasant 71.6°F (22°C). In the month of September, the average low-temperature usually rests at a fresh 53.6°F (12°C).Humidity
In Brighton, the average relative humidity in September is 79%.Rainfall
In Brighton, Michigan, in September, it is raining for 13.7 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, in Brighton, there are 147.8 rainfall days, and 25.35" (644mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 7:00 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 7:17 pm EDT.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September in Brighton is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are the temperatures in Brighton in September?
What is the average humidity in September in Brighton?
How much does it rain in Brighton in September?
When it does not snow in Brighton?
Does it snow in Brighton in September?
How many hours of daylight does Brighton have in September?
What time are sunrise and sunset in September in Brighton?
How long on average sun shines in September in Brighton?
What is the UV index intensity in September in Brighton?
Average temperature in September
Brighton, 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 (27.9°F).
- Average low temperature in September: 53.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Brighton, MI
- Average pressure in September: 30.04"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
Brighton, MI
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Brighton, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Brighton, MI
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in September
Brighton, MI
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Brighton, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Brighton, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Brighton, 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: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Brighton, MI
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is December (17.3 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in September
Brighton, MI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Brighton, MI
- Average cloud cover in September: 38
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
Brighton, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Brighton, Michigan, USA
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