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
Merritt's progression into September involves a gentle drop in the average high-temperature, from a moderately hot 76.6°F (24.8°C) in August to a pleasant 69.4°F (20.8°C). During September, Merritt experiences a consistent low-temperature average of 50.4°F (10.2°C).Humidity
In Merritt, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.3 days and typically collects 1.1" (28mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 7:03 am and sunset at 8:15 pm. On the last day of September, in Merritt, sunrise is at 7:37 am and sunset at 7:21 pm EDT.
Sunshine
In September, the average sunshine in Merritt, Michigan, is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Undertake protective steps - Preventing sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Merritt in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow in Merritt?
Does it snow in September?
How many hours of daylight does Merritt have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Merritt?
How high is the UV index in September?
Average temperature in September
Merritt, MI
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (24.1°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in September
Merritt, 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
Merritt, MI
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Merritt, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Merritt, MI
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in September
Merritt, MI
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is October (16.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Merritt, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Merritt, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Merritt, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Merritt, MI
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is January (7.8 days).
Average UV index in September
Merritt, 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
Merritt, MI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Merritt, MI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June and July (6mi).
The months with the lowest visibility are January and February (4mi).
Merritt, Michigan, USA
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