Saint Pierre and Miquelon weather

Our guide to the weather in Saint Pierre and Miquelon during September

16

Average high

4

UV Index

138mm

Monthly rainfall

82%

Humidity

We've looked at the most up-to-date weather data for Saint Pierre and Miquelon, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Saint Pierre and Miquelon weather in September.

What's the temperature like in Saint Pierre and Miquelon during September?

The temperature is extremely stable in September with average highs of 16℃ and lows just 2℃ lower at 14℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Saint Pierre and Miquelon during September?

On average, there will be 7 rainy days during the month, amounting to 138.3mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Saint Pierre and Miquelon during September?

Expect moderate breeze becoming stronger at times during September, with occasional gusts up to 26mph. With moderate air temperatures, any breeze will feel cool.

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Weather in Saint Pierre and Miquelon

Our month-by-month guide to the weather and climate in Saint Pierre and Miquelon

0.6

Saint Pierre and Miquelon weather in

January
-0.5

Saint Pierre and Miquelon weather in

February
0.2

Saint Pierre and Miquelon weather in

March
2.9

Saint Pierre and Miquelon weather in

April
6.0

Saint Pierre and Miquelon weather in

May
10.1

Saint Pierre and Miquelon weather in

June
14.9

Saint Pierre and Miquelon weather in

July
17.9

Saint Pierre and Miquelon weather in

August
15.6

Saint Pierre and Miquelon weather in

September
11.3

Saint Pierre and Miquelon weather in

October
7.2

Saint Pierre and Miquelon weather in

November
3.1

Saint Pierre and Miquelon weather in

December