South Haven
Michigan, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
South Haven, MI

September, the first month of the autumn, in South Haven, is also an agreeable month, with average temperature fluctuating between 56.7°F (13.7°C) and 72.9°F (22.7°C).

Temperature

In South Haven, the average high-temperature in September slightly decreases, from a moderately hot 79°F (26.1°C) in August, to a pleasant 72.9°F (22.7°C). In September, in South Haven, Michigan, the average low-temperature is 56.7°F (13.7°C).

Rainfall

September is the month with the most rainfall. Rain falls for 9.8 days and accumulates 3.7" (93.5mm) of precipitation.

Snowfall

In South Haven, Michigan, snow does not fall in May through September.

Daylight

In South Haven, the average length of the day in September is 12.5h.

What is the temperature in September in South Haven?

In September, in South Haven, Michigan, the average high-temperature is 72.9°F (22.7°C), and the average low-temperature is 56.7°F (13.7°C).

How much does it rain in South Haven in September?

In September, the rain falls for 9.8 days. Throughout September, 3.7" (93.5mm) of precipitation is accumulated.

What is the rainiest month in South Haven?

September is the month with the most rainfall in South Haven. Rain falls for 9.8 days and accumulates 3.7" (93.5mm) of precipitation.

Does it snow in South Haven in September?

In South Haven, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in South Haven?

May through September are months without snowfall in South Haven, Michigan.

What is the average length of the day in September in South Haven?

In September, the average length of the day in South Haven is 12.5h.
Average temperature in September - South Haven, MI
  • Average high temperature in September: 72.8°F

The warmest month (with the highest average high temperature) is July (79.4°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (64.5°F).
The coldest month (with the lowest average low temperature) is January (21.5°F).

Average rainfall in September - South Haven, MI
  • Average rainfall in September: 3.7"

The wettest month (with the highest rainfall) is September (3.7").
The driest month (with the lowest rainfall) is January (1.6").

Average rainfall days in September - South Haven, MI
  • Average rainfall days in September: 9.8 days

The month with the highest number of rainy days is October (11.3 days).
The month with the lowest number of rainy days is February (5.1 days).

Average snowfall in September - South Haven, MI
  • Average snowfall in September: 0"

The month with the highest snowfall is January (29.7").
Months with the lowest snowfall are May, 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 (6.9 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September - South Haven, MI
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.2h).
The month with shortest days is December (Average daylight: 9.1h).