Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
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?
What is the average humidity in September in Saint-Pierre?
How much does it rain in Saint-Pierre in September?
When it does not snow in Saint-Pierre?
What is the sea water temperature in September in Saint-Pierre?
What is the average length of the day in September in Saint-Pierre?
When is the sunrise / sunset in September in Saint-Pierre?
How long on average sun shines in September in Saint-Pierre?
How high is the UV index in September in Saint-Pierre?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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
Weather forecast for your location
2. Allow the app to use your location
