September weather forecastMecosta, MI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Mecosta, Michigan, with an average temperature fluctuating between 70.5°F (21.4°C) and 51.1°F (10.6°C).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderately hot 76.6°F (24.8°C) in August to an agreeable 70.5°F (21.4°C). Mecosta witnesses a consistent average low-temperature of 51.1°F (10.6°C) throughout September.Humidity
The average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.8 days and typically collects 1.18" (30mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Mecosta, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 7:05 am and sunset at 8:15 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:23 pm EDT.
Sunshine
In Mecosta, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests these recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mecosta, MI
- Average high temperature in September: 70.5°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 (25.5°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Mecosta, 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
Mecosta, 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
Mecosta, MI
- Average humidity in September: 79%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Mecosta, MI
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is October (3.43").
The driest month (with the least rainfall) is September (1.18").
Average rainfall days in September
Mecosta, MI
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in September
Mecosta, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Mecosta, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mecosta, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Mecosta, MI
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in September
Mecosta, 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, February, November and December (UV index 1).
Average cloud cover in September
Mecosta, MI
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Mecosta, MI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
