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 warm 77.5°F (25.3°C) to a pleasant 71.1°F (21.7°C). In September, Pierson reports a consistent average low-temperature of 52.3°F (11.3°C) during the nights.Humidity
In September, the average relative humidity in Pierson is 79%.Rainfall
September is the month with the least rainfall in Pierson. Rain falls for 11.8 days and accumulates 1.3" (33mm) of precipitation.Snowfall
In Pierson, snow does not fall in June through September.Daylight
In September, the average length of the day in Pierson is 12h and 29min.On the first day of the month, sunrise is at 7:06 am and sunset at 8:16 pm. On the last day of September, in Pierson, sunrise is at 7:39 am and sunset at 7:24 pm EDT.
Sunshine
In September, the average sunshine in Pierson is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What is the temperature in September in Pierson?
What is the average humidity in September in Pierson?
What is the driest month in Pierson?
How much does it rain in Pierson in September?
When it does not snow in Pierson?
Does it snow in Pierson in September?
How many hours of daylight does Pierson have in September?
When is the sunrise / sunset in September in Pierson?
How many hours of sunshine does Pierson have in September?
What is the UV index reading in September in Pierson?
Average temperature in September
Pierson, MI
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (26.2°F).
- Average low temperature in September: 52.3°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 (16.5°F).
Average pressure in September
Pierson, 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
Pierson, MI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Pierson, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Pierson, MI
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in September
Pierson, MI
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.5 days).
Average snowfall in September
Pierson, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (7.01").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Pierson, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pierson, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Pierson, MI
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in September
Pierson, MI
- Average UV index in September: 3
The months with the highest UV index are May, 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
Pierson, MI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Pierson, MI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The month with the lowest visibility is January (4mi).
Pierson, Michigan, USA
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