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's arrival comes with a mild decrease in the average high-temperature, moving subtly from a pleasant 70.3°F (21.3°C) in August to a refreshing 64.2°F (17.9°C). An average temperature of 52.3°F (11.3°C) marks the nights in Chassell in September.Humidity
The average relative humidity in September in Chassell is 78%.Rainfall
In Chassell, Michigan, during September, the rain falls for 14.4 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, in Chassell, there are 123.4 rainfall days, and 21.1" (536mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Chassell is 12h and 32min.On the first day of September in Chassell, sunrise is at 7:14 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 7:35 pm EDT.
Sunshine
The average sunshine in September is 7.5h.UV index
In Chassell, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Put precautions into practice - Protective measures against sun-induced damage are advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are September temperatures in Chassell?
What is the average humidity in September in Chassell?
How many days does it rain in September in Chassell?
When it does not snow in Chassell?
Does it snow in Chassell in September?
What is the average length of the day in September in Chassell?
What time are sunrise and sunset in September in Chassell?
How long on average sun shines in September in Chassell?
How high is the UV index in September in Chassell?
Average temperature in September
Chassell, MI
- Average high temperature in September: 64.2°F
The warmest month (with the highest average high temperature) is August (70.3°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is August (57.6°F).
The coldest months (with the lowest average low temperature) are January and February (15.1°F).
Average pressure in September
Chassell, MI
- Average pressure in September: 29.99"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
Chassell, MI
- Average wind speed in September: 9.2mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is June (7.5mph).
Average humidity in September
Chassell, MI
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Chassell, MI
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is October (2.28").
The driest months (with the least rainfall) are January, February and March (1.3").
Average rainfall days in September
Chassell, MI
- Average rainfall days in September: 14.4 days
The months with the highest number of rainy days are September and October (14.4 days).
The month with the least rainy days is January (3.1 days).
Average snowfall in September
Chassell, MI
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Chassell, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (23.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chassell, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 3min
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 30min).
Average sunshine days in September
Chassell, MI
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is January (5.3 days).
Average UV index in September
Chassell, MI
- Average UV index in September: 4
The months with the highest UV index are 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
Chassell, MI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Chassell, 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).
Chassell, Michigan, USA
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