September weather forecast
Louisbourg, Canada

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Weather in September

The first month of the autumn, September, is still a refreshing month in Louisbourg, Canada, with temperature in the range of an average low of 11.9°C (53.4°F) and an average high of 18.3°C (64.9°F).

Temperature

September sees a slight reduction in average high-temperature, with a shift from an agreeable 22.3°C (72.1°F) in August to a comfortable 18.3°C (64.9°F). During the month of September, Louisbourg experiences a steady low-temperature average of 11.9°C (53.4°F).

Humidity

May, August and September, with an average relative humidity of 81%, are the least humid months.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.4 days and typically collects 37mm (1.46") of precipitation.

Snowfall

In Louisbourg, snow does not fall in June through October.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 6:21 am and sunset at 7:37 pm. On the last day of September, in Louisbourg, sunrise is at 6:57 am and sunset at 6:41 pm ADT.

Sunshine

In September, the average sunshine is 7.8h.

UV index

The average daily maximum UV index in September in Louisbourg is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 4 suggests these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What are September temperatures in Louisbourg?

The high-temperature, in September, in Louisbourg, is 18.3°C (64.9°F), while the low-temperature averages to 11.9°C (53.4°F).

What is the least humid month in Louisbourg?

May, August and September, with an average relative humidity of 81%, are the least humid months in Louisbourg.

What is the average humidity in September in Louisbourg?

The average relative humidity in September in Louisbourg, Canada, is 81%.

What is the driest month in Louisbourg?

September is the month with the least rainfall in Louisbourg, Canada. Rain falls for 12.4 days and accumulates 37mm (1.46") of precipitation.

How many days does it rain in September in Louisbourg?

In Louisbourg, in September, it is raining for 12.4 days, with typically 37mm (1.46") of accumulated precipitation.

When it does not snow in Louisbourg?

June through October are months without snowfall in Louisbourg, Canada.

How many hours of daylight does Louisbourg have in September?

In Louisbourg, Canada, the average day length in September is 12h and 32min.

When are sunrise and sunset in September in Louisbourg?

On the first day of September in Louisbourg, sunrise is at 6:21 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:41 pm ADT.

How many hours of sunshine does Louisbourg have in September?

In September, the average sunshine duration in Louisbourg is 7.8h.

What is the UV index reading in September in Louisbourg?

In September, the average daily maximum UV index in Louisbourg, Canada, is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Louisbourg, Canada

Average temperature in September - Louisbourg, Canada
  • Average high temperature in September: 18.3°C

The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is February (-1.5°C).

  • Average low temperature in September: 11.9°C

The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is February (-7.3°C).

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Average pressure in September
Louisbourg, Canada

Average pressure in September - Louisbourg, Canada
  • Average pressure in September: 1016.3mbar

The month with the highest atmospheric pressure is September (1016.3mbar).
The month with the lowest atmospheric pressure is February (1010.6mbar).

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Average wind speed in September
Louisbourg, Canada

Average wind speed in September - Louisbourg, Canada
  • Average wind speed in September: 16.1km/h

The windiest month (with the highest average wind speed) is January (20.6km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).

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Average humidity in September
Louisbourg, Canada

Average humidity in September - Louisbourg, Canada
  • Average humidity in September: 81%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May, August and September (81%).

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Average rainfall in September
Louisbourg, Canada

Average rainfall in September - Louisbourg, Canada
  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is October (68mm).
The driest month (with the least rainfall) is September (37mm).

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Average rainfall days in September
Louisbourg, Canada

Average rainfall days in September - Louisbourg, Canada
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is April (14.4 days).
The month with the least rainy days is February (7.9 days).

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Average snowfall in September
Louisbourg, Canada

Average snowfall in September - Louisbourg, Canada
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (117mm).
The months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in September
Louisbourg, Canada

Average snowfall days in September - Louisbourg, Canada
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.8 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
Louisbourg, Canada

Average daylight in September / Average sunshine in September - Louisbourg, Canada
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 7h and 5min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

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Average sunshine days in September
Louisbourg, Canada

Average sunshine days in September - Louisbourg, Canada
  • Average sunshine days in September: 14 days

The month with the most sunshine days is September (14 days).
The month with the least sunshine days is January (9.7 days).

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Average UV index in September
Louisbourg, Canada

Average UV index in September - Louisbourg, Canada
  • Average UV index in September: 4

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).

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Average cloud cover in September
Louisbourg, Canada

Average cloud cover in September - Louisbourg, Canada
  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).

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Average visibility in September
Louisbourg, Canada

Average visibility in September - Louisbourg, Canada
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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Louisbourg, Canada

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