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
September brings a minor shift in the average high-temperature, adjusting from a moderately hot 76.8°F (24.9°C) in August to a pleasant 70.9°F (21.6°C). Birch Run records a steady low-temperature average of 52.9°F (11.6°C) during September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Birch Run, in September, during 9.5 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In Birch Run, Michigan, during the entire year, the rain falls for 119.2 days and collects up to 11.65" (296mm) of precipitation.Snowfall
May through September are months without snowfall in Birch Run.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 7:00 am and sunset at 8:09 pm. On the last day of September, in Birch Run, sunrise is at 7:32 am and sunset at 7:17 pm EDT.
Sunshine
In September, the average sunshine in Birch Run is 8h.UV index
In Birch Run, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Birch Run in September?
What is the average humidity in September in Birch Run?
How many days does it rain in September in Birch Run?
When it does not snow in Birch Run?
Does it snow in Birch Run in September?
How many hours of daylight does Birch Run have in September?
What time are sunrise and sunset in September in Birch Run?
How long on average sun shines in September in Birch Run?
What is the UV index reading in September in Birch Run?
Average temperature in September
Birch Run, MI
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in September
Birch Run, 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 (29.93"Hg).
Average wind speed in September
Birch Run, MI
- Average wind speed in September: 7.5mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity in September
Birch Run, MI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Birch Run, MI
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is February (0.47").
Average rainfall days in September
Birch Run, MI
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Birch Run, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Birch Run, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Birch Run, 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 0min).
- Average sunshine in September: 8h and 0min
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 48min).
Average sunshine days in September
Birch Run, MI
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Birch Run, MI
- Average UV index in September: 3
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Birch Run, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Birch Run, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Birch Run, Michigan, USA
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