September weather forecast
Norton Shores, MI

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Weather in September

September, the first month of the autumn in Norton Shores, is still a pleasant month, with an average temperature fluctuating between 57.9°F (14.4°C) and 69.3°F (20.7°C).

Temperature

The start of September involves a subtle temperature drop, shifting from a moderately hot 75.4°F (24.1°C) in August to an agreeable 69.3°F (20.7°C). Norton Shores's nights in September experience an average temperature drop to a refreshing 57.9°F (14.4°C).

Humidity

The average relative humidity in September is 77%.

Rainfall

In September, the rain falls for 12.4 days. Throughout September, 1.14" (29mm) of precipitation is accumulated. In Norton Shores, during the entire year, the rain falls for 124.4 days and collects up to 11.42" (290mm) of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

The average length of the day in September in Norton Shores 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 7:42 am and sunset at 7:27 pm EDT.

Sunshine

In Norton Shores, the average sunshine in September is 8.3h.

UV index

In Norton Shores, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 4 during September leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What is the temperature in September in Norton Shores?

The high-temperature, in September, in Norton Shores, is 69.3°F (20.7°C), while the low-temperature averages to 57.9°F (14.4°C).

What is the average humidity in September in Norton Shores?

The average relative humidity in September in Norton Shores, Michigan, is 77%.

How many days does it rain in September in Norton Shores?

In September, the rain falls for 12.4 days. Throughout September, 1.14" (29mm) of precipitation is accumulated.

When it does not snow in Norton Shores?

In Norton Shores, Michigan, snow does not fall in May through September.

Does it snow in Norton Shores in September?

In Norton Shores, Michigan, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in Norton Shores?

In Norton Shores, Michigan, the average day length in September is 12h and 29min.

When is the sunrise / sunset in September in Norton Shores?

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 7:42 am and sunset at 7:27 pm EDT.

How long on average sun shines in September in Norton Shores?

The average sunshine duration in September in Norton Shores, Michigan, is 8.3h.

What is the UV index intensity in September in Norton Shores?

In September, the average daily maximum UV index in Norton Shores is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Norton Shores, MI

Average temperature in September - Norton Shores, MI
  • Average high temperature in September: 69.3°F

The warmest months (with the highest average high temperature) are July and August (75.4°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in September: 57.9°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in September
Norton Shores, MI

Average pressure in September - Norton Shores, 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).

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Average wind speed in September
Norton Shores, MI

Average wind speed in September - Norton Shores, MI
  • Average wind speed in September: 9.7mph

The windiest month (with the highest average wind speed) is November (12.4mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

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Average humidity in September
Norton Shores, MI

Average humidity in September - Norton Shores, 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%).

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Average rainfall in September
Norton Shores, MI

Average rainfall in September - Norton Shores, MI
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is February (0.55").

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Average rainfall days in September
Norton Shores, MI

Average rainfall days in September - Norton Shores, MI
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is October (14.9 days).
The month with the least rainy days is February (4 days).

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Average snowfall in September
Norton Shores, MI

Average snowfall in September - Norton Shores, MI
  • Average snowfall in September: 0"

The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Norton Shores, MI

Average snowfall days in September - Norton Shores, MI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Norton Shores, MI

Average daylight in September / Average sunshine in September - Norton Shores, MI
  • Average daylight in September: 12h and 3min

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 2min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

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Average sunshine days in September
Norton Shores, MI

Average sunshine days in September - Norton Shores, MI
  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is March (17.3 days).
The month with the least sunshine days is January (10.3 days).

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Average UV index in September
Norton Shores, MI

Average UV index in September - Norton Shores, 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).

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Average cloud cover in September
Norton Shores, MI

Average cloud cover in September - Norton Shores, MI
  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 24).

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Average visibility in September
Norton Shores, MI

Average visibility in September - Norton Shores, MI
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Norton Shores, Michigan, USA

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