September weather forecast
Saint-Pierre, Saint Pierre and Miquelon

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The beach town of Saint-Pierre, in Saint Pierre and Miquelon, overlooking the active volcano mountain of Pelee
The beach town of Saint-Pierre, in Saint Pierre and Miquelon, overlooking the active volcano mountain of Pelee

Weather in September

September heralds the advent of autumn in Saint-Pierre, with temperatures falling from an average high of 15.7°C (60.3°F). Despite the milder climate, September remains quite pleasant for outdoor explorations and enjoying nature's colorful spectacle. Days are mostly bright, while the winds pick up pace adding to the autumn feel of the month. Rainfall is still frequent, contributing to the high humidity that can make the weather seem somewhat muggy.

Temperature

Saint-Pierre's weather, upon September's arrival, documents an average high-temperature of a still refreshing 15.7°C (60.3°F), nearly identical to the prior month. During September's nights, Saint-Pierre notes a minor temperature decline, reaching an average of 13.4°C (56.1°F).

Humidity

In Saint-Pierre, Saint Pierre and Miquelon, the average relative humidity in September is 81%.

Rainfall

In September, in Saint-Pierre, the rain falls for 11.6 days. Throughout September, 53mm (2.09") of precipitation is accumulated. In Saint-Pierre, during the entire year, the rain falls for 140.2 days and collects up to 719mm (28.31") of precipitation.

Snowfall

In Saint-Pierre, snow does not fall in June through October.

Sea temperature

In September, the average sea temperature in Saint-Pierre, Saint Pierre and Miquelon, is 14°C (57.2°F).
Note: Caution: 14°C (57.2°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing.

Daylight

In Saint-Pierre, the average length of the day in September is 12h and 32min.
On the first day of September in Saint-Pierre, sunrise is at 07:05 and sunset at 20:23. On the last day of the month, sunrise is at 07:43 and sunset at 19:25 -02.

Sunshine

In September, the average sunshine is 6.7h.

UV index

In Saint-Pierre, Saint Pierre and Miquelon, 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 the ordinary person.
Note: The UV index of 4 in September translates into these instructions:
Make use of precautions - It is urged to ward off sun damage. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What are the temperatures in Saint-Pierre in September?

The average high-temperature and low-temperature during September are 15.7°C (60.3°F) and 13.4°C (56.1°F) respectively.

What is the average humidity in September in Saint-Pierre?

In September, the average relative humidity in Saint-Pierre, Saint Pierre and Miquelon, is 81%.

How much does it rain in Saint-Pierre in September?

In Saint-Pierre, Saint Pierre and Miquelon, in September, it is raining for 11.6 days, with typically 53mm (2.09") of accumulated precipitation.

When it does not snow in Saint-Pierre?

June through October are months without snowfall in Saint-Pierre, Saint Pierre and Miquelon.

What is the sea water temperature in September in Saint-Pierre?

In Saint-Pierre, Saint Pierre and Miquelon, in September, the average water temperature is 14°C (57.2°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in September in Saint-Pierre?

In September, the average day length in Saint-Pierre is 12h and 32min.

When is the sunrise / sunset in September in Saint-Pierre?

On the first day of September in Saint-Pierre, Saint Pierre and Miquelon, sunrise is at 07:05 and sunset at 20:23. On the last day of the month, sunrise is at 07:43 and sunset at 19:25 -02.

How long on average sun shines in September in Saint-Pierre?

The average sunshine duration in September in Saint-Pierre, Saint Pierre and Miquelon, is 6.7h.

How high is the UV index in September in Saint-Pierre?

The average daily maximum UV index in September in Saint-Pierre, Saint Pierre and Miquelon, is 4. A UV Index 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 temperature in September
Saint-Pierre, Saint Pierre and Miquelon

Average temperature in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average high temperature in September: 15.7°C

The warmest month (with the highest average high temperature) is August (17.9°C).
The month with the lowest average high temperature is February (-0.2°C).

  • Average low temperature in September: 13.4°C

The month with the highest average low temperature is August (16.2°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).

Average pressure in September
Saint-Pierre, Saint Pierre and Miquelon

Average pressure in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average pressure in September: 1015.9mbar

The month with the highest atmospheric pressure is September (1015.9mbar).
The month with the lowest atmospheric pressure is February (1009.2mbar).

Average wind speed in September
Saint-Pierre, Saint Pierre and Miquelon

Average wind speed in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average wind speed in September: 27.8km/h

The windiest month (with the highest average wind speed) is January (37.2km/h).
The calmest month (with the lowest average wind speed) is July (22.3km/h).

Average humidity in September
Saint-Pierre, Saint Pierre and Miquelon

Average humidity in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average humidity in September: 81%

The month with the highest relative humidity is July (89%).
The months with the lowest relative humidity are January, November and December (79%).

Average rainfall in September
Saint-Pierre, Saint Pierre and Miquelon

Average rainfall in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average rainfall in September: 53mm

The wettest month (with the highest rainfall) is November (69mm).
The driest month (with the least rainfall) is May (50mm).

Average rainfall days in September
Saint-Pierre, Saint Pierre and Miquelon

Average rainfall days in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is February (5.5 days).

Average snowfall in September
Saint-Pierre, Saint Pierre and Miquelon

Average snowfall in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (50mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September
Saint-Pierre, Saint Pierre and Miquelon

Average snowfall days in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in September
Saint-Pierre, Saint Pierre and Miquelon

Average sea temperature in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average sea temperature in September: 14°C

The best month for swimming (with the highest average sea temperature) is August (16°C).
The coldest months (with the lowest average sea temperature) are February and March (0°C).

Average daylight in September /
Average sunshine in September
Saint-Pierre, Saint Pierre and Miquelon

Average daylight in September / Average sunshine in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 6h and 4min

The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).

Average sunshine days in September
Saint-Pierre, Saint Pierre and Miquelon

Average sunshine days in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is August (15.8 days).
The month with the least sunshine days is December (9.2 days).

Average UV index in September
Saint-Pierre, Saint Pierre and Miquelon

Average UV index in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average UV index in September: 4

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

Average cloud cover in September
Saint-Pierre, Saint Pierre and Miquelon

Average cloud cover in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average cloud cover in September: 45

The month with the most cloud cover is January (Cloud cover 80).
The months with the least cloud cover are August and September (Cloud cover 45).

Average visibility in September
Saint-Pierre, Saint Pierre and Miquelon

Average visibility in September - Saint-Pierre, Saint Pierre and Miquelon
  • Average visibility in September: 10km

The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (9km).

Saint-Pierre, Saint Pierre and Miquelon

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