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
As August makes way for September, South Haven's average high-temperature eases from a warm 76.3°F (24.6°C) to an agreeable 70.7°F (21.5°C). An average low-temperature of 58.3°F (14.6°C) is recorded in the month of September in South Haven.Humidity
The average relative humidity in September is 77%.Rainfall
In South Haven, in September, during 14.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 155.5 rainfall days, and 24.8" (630mm) of precipitation is accumulated.Snowfall
In South Haven, Michigan, snow does not fall in June through September.Daylight
In South Haven, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 7:11 am and sunset at 8:18 pm. On the last day of September, in South Haven, sunrise is at 7:41 am and sunset at 7:27 pm EDT.
Sunshine
In South Haven, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What is the average September temperature in South Haven?
What is the average humidity in September in South Haven?
How much does it rain in South Haven in September?
When it does not snow in South Haven?
Does it snow in South Haven in September?
How many hours of daylight does South Haven have in September?
When are sunrise and sunset in September in South Haven?
How long on average sun shines in September in South Haven?
What is the UV index reading in September in South Haven?
Average temperature in September
South Haven, MI
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 58.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in September
South Haven, MI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
South Haven, MI
- Average wind speed in September: 9.3mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in September
South Haven, MI
- Average humidity in September: 77%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
South Haven, MI
- Average rainfall in September: 1.97"
The wettest month (with the highest rainfall) is October (2.99").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in September
South Haven, MI
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is October (16.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
South Haven, MI
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
South Haven, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
South Haven, MI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 2min
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 36min).
Average sunshine days in September
South Haven, MI
- Average sunshine days in September: 12.5 days
The months with the most sunshine days are March and July (12.8 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in September
South Haven, MI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
South Haven, MI
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in September
South Haven, MI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
South Haven, Michigan, USA
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