September Weather in Miquelon, Saint Pierre and Miquelon

Last updated: August 31, 2025

In September, the average temperature in Miquelon, Saint Pierre and Miquelon is a comfortable 15°C (59°F), with temperatures ranging from a cool 8°C (47°F) to a warm 20°C (69°F). Expect 119 mm (4.7 in) of precipitation over approximately 11 days, resulting in an average humidity of 88%. Be prepared for a mix of weather, perfect for enjoying the season!

September Temperature in Miquelon

In September in Miquelon, the average temperature is 15°C (59°F). Maximum temperatures can reach 20°C (69°F), while minimums can dip as low as 8°C (47°F). This mild climate makes it an ideal time for outdoor activities and exploring the local sights.

September Weather in Miquelon: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Miquelon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Miquelon, September typically has an average temperature of 15°C (59°F), with highs reaching up to 20°C (69°F) and lows dropping to around 8°C (47°F).

Data source: Temperature data for Miquelon generated using information from the Copernicus Climate Change Service.

September Precipitation in Miquelon

In Miquelon in September, the total precipitation amount is 119 mm (4.7 in), which occurs over the course of 11 days.

September Precipitation Trends in Miquelon

The chart displays monthly precipitation patterns in Miquelon, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Miquelon, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Miquelon

In Miquelon in September humidity is 88%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel stifling and sticky, which can drain your energy while traveling.

September Average Humidity in Miquelon

This chart illustrates the average monthly humidity levels in Miquelon, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Miquelon is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Miquelon

In Miquelon in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Miquelon, you can refer to this Hourly UV Index in Miquelon.

Maximum UV Index Levels in Miquelon for September

The chart shows the monthly maximum UV Index (UVI) for Miquelon in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Miquelon typically reaches 6, which falls under the high exposure category.

Data source: Miquelon September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Miquelon Compares to Other Months

Weather in Miquelon varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Miquelon, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Miquelon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (31°F)	124 mm (4.9 inches)	83%	low
February Weather	-2°C (29°F)	132 mm (5.2 inches)	84%	moderate
March Weather	-1°C (31°F)	155 mm (6.1 inches)	85%	moderate
April Weather	2°C (36°F)	133 mm (5.2 inches)	86%	high
May Weather	4°C (40°F)	105 mm (4.1 inches)	88%	very high
June Weather	8°C (47°F)	115 mm (4.5 inches)	91%	very high
July Weather	13°C (56°F)	143 mm (5.6 inches)	93%	very high
August Weather	17°C (63°F)	106 mm (4.2 inches)	92%	very high
September Weather	15°C (59°F)	119 mm (4.7 inches)	88%	high
October Weather	10°C (51°F)	121 mm (4.8 inches)	84%	moderate
November Weather	6°C (43°F)	154 mm (6.1 inches)	82%	moderate
December Weather	2°C (36°F)	165 mm (6.5 inches)	81%	low