September weather forecastSpring Lake, MI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Spring Lake, Michigan, with an average temperature fluctuating between 57.2°F (14°C) and 69.8°F (21°C).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 75.7°F (24.3°C) in August to an agreeable 69.8°F (21°C). During the month of September, the nighttime temperature falls to an average of 57.2°F (14°C).Humidity
The average relative humidity in September is 77%.Rainfall
In Spring Lake, during September, the rain falls for 13 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Spring Lake, during the entire year, the rain falls for 138.3 days and collects up to 19.92" (506mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Spring Lake, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 7:10 am and sunset at 8:19 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 7:27 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In Spring Lake, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. 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
Average temperature in September
Spring Lake, MI
- Average high temperature in September: 69.8°F
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 57.2°F
The months with the highest average low temperature are July and August (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Spring Lake, 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
Spring Lake, MI
- Average wind speed in September: 9.3mph
The windiest months (with the highest average wind speed) are January and November (12mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Spring Lake, MI
- Average humidity in September: 77%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April, October and November (76%).
Average rainfall in September
Spring Lake, MI
- Average rainfall in September: 1.65"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in September
Spring Lake, MI
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is October (16.5 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Spring Lake, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Spring Lake, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Spring Lake, MI
- Average daylight in September: 12h and 30min
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 6min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Spring Lake, MI
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is March (15.5 days).
The month with the least sunshine days is January (8.2 days).
Average UV index in September
Spring Lake, MI
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Spring Lake, MI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in September
Spring Lake, MI
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
