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
With the commencement of September, Mass City records a moderate temperature decline, with the average high easing from August's agreeable 69.4°F (20.8°C) to an enjoyable 63.5°F (17.5°C). The average temperature during September nights in Mass City is registered at a fresh 52.7°F (11.5°C).Humidity
In September, the average relative humidity in Mass City is 79%.Rainfall
In Mass City, in September, it is raining for 13.3 days, with typically 1.85" (47mm) of accumulated precipitation. In Mass City, during the entire year, the rain falls for 122.6 days and collects up to 22.56" (573mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Mass City, Michigan, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 7:17 am and sunset at 8:35 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 7:37 pm EDT.
Sunshine
In Mass City, 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the UV index of 4 transforms into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the average September temperature in Mass City?
What is the average humidity in September in Mass City?
How much does it rain in Mass City in September?
When it does not snow in Mass City?
Does it snow in Mass City in September?
What is the average length of the day in September in Mass City?
When is the sunrise / sunset in September in Mass City?
How many hours of sunshine does Mass City have in September?
What is the UV index reading in September in Mass City?
Average temperature in September
Mass City, MI
- Average high temperature in September: 63.5°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 (22.3°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in September
Mass City, MI
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Mass City, MI
- Average wind speed in September: 9.6mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in September
Mass City, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Mass City, MI
- Average rainfall in September: 1.85"
The wettest months (with the highest rainfall) are April, June, August and October (2.28").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Mass City, MI
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is October (14.6 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Mass City, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mass City, MI
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (22.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Mass City, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Mass City, MI
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index in September
Mass City, MI
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Mass City, MI
- Average cloud cover in September: 37
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
Mass City, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Mass City, Michigan, USA
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