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 start of September involves a subtle temperature drop, shifting from a warm 74.5°F (23.6°C) in August to an enjoyable 66.6°F (19.2°C). September brings with it a nighttime average temperature of 47.8°F (8.8°C) in Calderwood.Humidity
In September, the average relative humidity is 80%.Rainfall
In Calderwood, during September, the rain falls for 12.5 days and regularly aggregates up to 1.69" (43mm) of precipitation. Throughout the year, there are 120.5 rainfall days, and 19.17" (487mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Calderwood.Daylight
In September, the average length of the day in Calderwood is 12h and 32min.On the first day of September, sunrise is at 7:17 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 7:37 pm EDT.
Sunshine
In September, the average sunshine in Calderwood is 7.7h.UV index
In Calderwood, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 3 in September transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Calderwood?
What is the average humidity in September in Calderwood?
How many days does it rain in September in Calderwood?
When it does not snow in Calderwood?
Does it snow in Calderwood in September?
How many hours of daylight does Calderwood have in September?
What time are sunrise and sunset in September in Calderwood?
How long on average sun shines in September in Calderwood?
What is the UV index reading in September in Calderwood?
Average temperature in September
Calderwood, MI
- Average high temperature in September: 66.6°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in September: 47.8°F
The month with the highest average low temperature is July (56.1°F).
The coldest month (with the lowest average low temperature) is January (8.6°F).
Average pressure in September
Calderwood, MI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Calderwood, MI
- Average wind speed in September: 7.4mph
The windiest months (with the highest average wind speed) are January and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Calderwood, MI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Calderwood, MI
- Average rainfall in September: 1.69"
The wettest months (with the highest rainfall) are May and June (2.24").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Calderwood, MI
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in September
Calderwood, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.32").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Calderwood, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Calderwood, 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: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Calderwood, MI
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is September (14.5 days).
The months with the least sunshine days are January and February (7.8 days).
Average UV index in September
Calderwood, 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, November and December (UV index 1).
Average cloud cover in September
Calderwood, MI
- Average cloud cover in September: 45
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Calderwood, MI
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January and February (4mi).
Calderwood, Michigan, USA
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