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 heralds a minor drop in average high-temperature, sliding from August's agreeable 71.8°F (22.1°C) to a comfortable 65.3°F (18.5°C). An average minimum temperature of 54.5°F (12.5°C) marks the month of September.Humidity
The average relative humidity in September is 78%.Rainfall
In Johnswood, Michigan, in September, it is raining for 12 days, with typically 1.85" (47mm) of accumulated precipitation. In Johnswood, during the entire year, the rain falls for 133.1 days and collects up to 22.44" (570mm) of precipitation.Snowfall
In Johnswood, snow does not fall in June through September.Daylight
In Johnswood, the average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 6:56 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:15 pm EDT.
Sunshine
In September, the average sunshine in Johnswood is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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 is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Johnswood, MI
- Average high temperature in September: 65.3°F
The warmest month (with the highest average high temperature) is August (71.8°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (17.8°F).
Average pressure in September
Johnswood, 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
Johnswood, MI
- Average wind speed in September: 9.3mph
The windiest months (with the highest average wind speed) are January and December (12.1mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Johnswood, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Johnswood, MI
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is October (2.76").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Johnswood, MI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is October (17.4 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Johnswood, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Johnswood, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Johnswood, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).
Average sunshine days in September
Johnswood, MI
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Johnswood, 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, November and December (UV index 1).
Average cloud cover in September
Johnswood, MI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Johnswood, 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).
Johnswood, Michigan, USA
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