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
Union City's weather subtly changes with the onset of September, barely falling from a moderately hot 77.9°F (25.5°C) in August to a pleasant 72.5°F (22.5°C). Union City records an average low-temperature of 53.6°F (12°C) throughout the month of September.Humidity
The average relative humidity in September is 79%.Rainfall
In Union City, in September, it is raining for 10 days, with typically 0.87" (22mm) of accumulated precipitation. In Union City, during the entire year, the rain falls for 124.6 days and collects up to 13.78" (350mm) of precipitation.Snowfall
In Union City, snow does not fall in May through September.Daylight
In Union City, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 7:06 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:23 pm EDT.
Sunshine
The average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September in Union City is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Union City?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Union City have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Union City have in September?
How high is the UV index in September?
Average temperature in September
Union City, MI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.4°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 (17.6°F).
Average pressure in September
Union City, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Union City, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Union City, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Union City, MI
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in September
Union City, MI
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Union City, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Union City, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Union City, 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 12min).
- Average sunshine in September: 7h and 5min
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 48min).
Average sunshine days in September
Union City, MI
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is January (11.9 days).
Average UV index in September
Union City, MI
- Average UV index in September: 4
The month with the highest UV index is August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Union City, MI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Union City, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Union City, Michigan, USA
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