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 beginning of September subtly marks a decrease in the average high-temperature, transitioning from a warm 74.8°F (23.8°C) in August to an enjoyable 66.6°F (19.2°C). An average low-temperature of 47.7°F (8.7°C) is common during the nights of September.Humidity
The average relative humidity in September in Crystal Falls is 81%.Rainfall
In Crystal Falls, Michigan, in September, it is raining for 12 days, with typically 1.61" (41mm) of accumulated precipitation. In Crystal Falls, during the entire year, the rain falls for 133.2 days and collects up to 21.81" (554mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 6:14 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:34 pm CDT.
Sunshine
In September, the average sunshine is 7.7h.UV index
In Crystal Falls, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Crystal Falls?
How many days does it rain in September in Crystal Falls?
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 many hours of sunshine does Crystal Falls have in September?
How high is the UV index in September?
Average temperature in September
Crystal Falls, 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 (19.8°F).
- Average low temperature in September: 47.7°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 (9.1°F).
Average pressure in September
Crystal Falls, 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
Crystal Falls, MI
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Crystal Falls, MI
- Average humidity in September: 81%
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
Crystal Falls, MI
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is April (2.68").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in September
Crystal Falls, MI
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Crystal Falls, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (10.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Crystal Falls, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (26.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Crystal Falls, 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 54min).
The months with the least sunshine are January and February (Average sunshine: 2h and 12min).
Average sunshine days in September
Crystal Falls, MI
- Average sunshine days in September: 16 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is January (5.2 days).
Average UV index in September
Crystal Falls, 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, March, November and December (UV index 1).
Average cloud cover in September
Crystal Falls, MI
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Crystal Falls, 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, February and March (4mi).
Crystal Falls, Michigan, USA
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