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 move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 78.4°F (25.8°C) to an agreeable 72°F (22.2°C). September nights are marked by an average temperature drop to a fresh 55°F (12.8°C).Humidity
In Northville, the average relative humidity in September is 77%.Rainfall
In Northville, in September, during 13.5 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Northville, during the entire year, the rain falls for 155.3 days and collects up to 27.48" (698mm) of precipitation.Snowfall
In Northville, snow does not fall in June through September.Daylight
In Northville, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:59 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:16 pm EDT.
Sunshine
In Northville, the average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 suggests this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are the temperatures in Northville in September?
What is the average humidity in September in Northville?
How much does it rain in Northville in September?
When it does not snow in Northville?
Does it snow in Northville in September?
How many hours of daylight does Northville have in September?
When are sunrise and sunset in September in Northville?
How long on average sun shines in September in Northville?
How high is the UV index in September in Northville?
Average temperature in September
Northville, MI
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in September: 55°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in September
Northville, 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
Northville, MI
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in September
Northville, MI
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Northville, MI
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (1.61").
Average rainfall days in September
Northville, MI
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Northville, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Northville, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Northville, 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: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Northville, MI
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in September
Northville, MI
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Northville, MI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Northville, 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).
Northville, Michigan, USA
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