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
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's moderately hot 78.4°F (25.8°C) to a pleasant 72.5°F (22.5°C). Byron Center, in September, observes a steady average low-temperature of 53.6°F (12°C).Humidity
In Byron Center, the average relative humidity in September is 78%.Rainfall
In Byron Center, Michigan, in September, it is raining for 11.4 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 139.8 rainfall days, and 19.57" (497mm) of precipitation is accumulated.Snowfall
In Byron Center, snow does not fall in June through September.Daylight
The average length of the day in September in Byron Center is 12h and 29min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:39 am and sunset at 7:25 pm EDT.
Sunshine
In Byron Center, the average sunshine in September is 8.3h.UV index
In Byron Center, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Byron Center have in September?
How high is the UV index in September?
Average temperature in September
Byron Center, 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 (27.7°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 (18.5°F).
Average pressure in September
Byron Center, MI
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Byron Center, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in September
Byron Center, MI
- Average humidity in September: 78%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Byron Center, MI
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in September
Byron Center, MI
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Byron Center, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Byron Center, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Byron Center, 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: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Byron Center, MI
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is January (9.7 days).
Average UV index in September
Byron Center, MI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Byron Center, MI
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Byron Center, 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).
Byron Center, Michigan, USA
Weather forecast for your location
2. Allow the app to use your location