September weather forecast
Gibraltar, MI

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Weather in September

September, the first month of the autumn in Gibraltar, is also an agreeable month, with an average temperature ranging between max 72°F (22.2°C) and min 59.2°F (15.1°C).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 77.5°F (25.3°C) in August to a pleasant 72°F (22.2°C). September nights cool down to an average low-temperature of 59.2°F (15.1°C).

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Gibraltar, during September, the rain falls for 13.5 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Gibraltar, during the entire year, the rain falls for 151.6 days and collects up to 26.97" (685mm) of precipitation.

Snowfall

June through October are months without snowfall.

Ocean temperature

In Gibraltar, in September, the average water temperature is 70.5°F (21.4°C).
Note: For most, swimming in 70.5°F (21.4°C) is not a pleasant experience. As the temperature falls from 69.8°F (21°C) to 59°F (15°C), controlling one's breathing becomes more difficult.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:59 am and sunset at 8:06 pm. On the last day of September, sunrise is at 7:29 am and sunset at 7:15 pm EDT.

Sunshine

The average sunshine in September is 8.3h.

UV index

In Gibraltar, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Alert! UV radiation becomes sharper due to reflections from sand and water.
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Frequently asked questions

What is the temperature in September in Gibraltar?

In Gibraltar, in September, the average high-temperature is 72°F (22.2°C), and the average low-temperature is 59.2°F (15.1°C).

What is the average humidity in September in Gibraltar?

In September, the average relative humidity in Gibraltar is 76%.

How many days does it rain in September in Gibraltar?

In Gibraltar, in September, it is raining for 13.5 days, with typically 1.89" (48mm) of accumulated precipitation.

When it does not snow in Gibraltar?

In Gibraltar, Michigan, snow does not fall in June through October.

What is the ocean temperature in September in Gibraltar?

In Gibraltar, Michigan, the average seawater temperature in September is 70.5°F (21.4°C). For swimming, a surface water temperature of 70.5°F (21.4°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the average length of the day in September in Gibraltar?

In September, the average day length in Gibraltar, Michigan, is 12h and 28min.

What time are sunrise and sunset in September in Gibraltar?

In September, on the first day of the month, sunrise is at 6:59 am and sunset at 8:06 pm. On the last day of the month, in Gibraltar, Michigan, sunrise is at 7:29 am and sunset at 7:15 pm EDT.

How many hours of sunshine does Gibraltar have in September?

In September, the average sunshine duration in Gibraltar, Michigan, is 8.3h.

What is the UV index intensity in September in Gibraltar?

In September, the average daily maximum UV index in Gibraltar, Michigan, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's 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
Gibraltar, MI

Average temperature in September - Gibraltar, MI
  • Average high temperature in September: 72°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (29.5°F).

  • Average low temperature in September: 59.2°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in September
Gibraltar, MI

Average pressure in September - Gibraltar, MI
  • Average pressure in September: 30.04"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in September
Gibraltar, MI

Average wind speed in September - Gibraltar, MI
  • Average wind speed in September: 8.4mph

The windiest months (with the highest average wind speed) are January and November (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in September
Gibraltar, MI

Average humidity in September - Gibraltar, MI
  • Average humidity in September: 76%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in September
Gibraltar, MI

Average rainfall in September - Gibraltar, MI
  • Average rainfall in September: 1.89"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is December (1.26").

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Average rainfall days in September
Gibraltar, MI

Average rainfall days in September - Gibraltar, MI
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (6.5 days).

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Average snowfall in September
Gibraltar, MI

Average snowfall in September - Gibraltar, MI
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Gibraltar, MI

Average snowfall days in September - Gibraltar, MI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in September
Gibraltar, MI

Average sea temperature in September - Gibraltar, MI
  • Average sea temperature in September: 70.6°F

The best month for swimming (with the highest average sea temperature) is August (75.4°F).
The coldest month (with the lowest average sea temperature) is February (32.7°F).

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Average daylight in September /
Average sunshine in September
Gibraltar, MI

Average daylight in September / Average sunshine in September - Gibraltar, 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 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

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Average sunshine days in September
Gibraltar, MI

Average sunshine days in September - Gibraltar, MI
  • Average sunshine days in September: 14 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.3 days).

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Average UV index in September
Gibraltar, MI

Average UV index in September - Gibraltar, 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).

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Average cloud cover in September
Gibraltar, MI

Average cloud cover in September - Gibraltar, MI
  • Average cloud cover in September: 31

The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in September
Gibraltar, MI

Average visibility in September - Gibraltar, 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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Gibraltar, Michigan, USA

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