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 advent of September brings a slight shift in average high-temperature, moving from a warm 73.6°F (23.1°C) in August to an enjoyable 67.3°F (19.6°C). Bellaire usually reports an average low-temperature of 53.1°F (11.7°C) during the month of September.Humidity
The average relative humidity in September is 78%.Rainfall
In September, the rain falls for 12.9 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Bellaire, during the entire year, the rain falls for 132 days and collects up to 25.47" (647mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:17 pm. On the last day of September, in Bellaire, sunrise is at 7:38 am and sunset at 7:22 pm EDT.
Sunshine
The average sunshine in September in Bellaire, Michigan, is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the average September temperature in Bellaire?
What is the average humidity in September in Bellaire?
How much does it rain in Bellaire in September?
When it does not snow in Bellaire?
Does it snow in Bellaire in September?
What is the average length of the day in September in Bellaire?
When is the sunrise / sunset in September in Bellaire?
How many hours of sunshine does Bellaire have in September?
What is the UV index intensity in September in Bellaire?
Average temperature in September
Bellaire, MI
- Average high temperature in September: 67.3°F
The warmest months (with the highest average high temperature) are July and August (73.6°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 53.1°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is February (17.2°F).
Average pressure in September
Bellaire, MI
- Average pressure in September: 30.02"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
Bellaire, MI
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is December (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in September
Bellaire, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Bellaire, MI
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in September
Bellaire, MI
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is October (17.3 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Bellaire, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bellaire, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bellaire, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- 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: 1h and 30min).
Average sunshine days in September
Bellaire, MI
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in September
Bellaire, MI
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Bellaire, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in September
Bellaire, 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).
Bellaire, Michigan, USA
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