Temperatures in September
It's cool to moderate in September in Prince Rupert with an average temperature of 15°C. Temperatures this month range from a low of 13°C to a high of 16°C. At night, you can expect temperatures between 9°C and 12°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Prince Rupert in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Prince Rupert with cool temperatures, averaging around 16°C during the day and nights close to 12°C. Plenty of days with a chance of precipitation.
Mid-September
By mid-September, the average daytime temperature drops to around 15°C, with nights close to 11°C. The chance of precipitation is high during this period.
End of September
By the end of September, the average daytime temperature in Prince Rupert will be around 15°C, with nights close to 10°C. There’s a significant chance of many days with precipitation.
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Precipitation in September
In September, there is an average of 401 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the South.
Across the whole month, the average precipitation chance is 56% per day.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Prince Rupert. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Prince Rupert in September |
London | ||
|---|---|---|---|
 Average Temperature |
15°C | 20°C | |
 High Temp |
16°C | 22°C | |
| Low Temp |
13°C | 17°C | |
 Total Precipitation |
401 mm | 44 mm | |
| Rainy Days |
17 days | 8 days | |
August
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is September a good time to visit Prince Rupert?
Looking for sun and warm weather? Then September isn’t the best time to be in Prince Rupert. The temperature is too low this month for a warm stay.
Temperature records for Prince Rupert in September
With 25°C, Prince Rupert hit the highest temperature in the last 10 years in September 2017. The lowest daytime temperature in this month was 10°C in 2015. The extreme night temperatures ranged from a low of 3°C to a high of 15°C.
Check out the climate of Prince Rupert for all months and discover the best travel time
Curious about the climate in other parts of Canada? Check out the weather and climate in places like Vancouver, Toronto, Niagara Falls, or have a look at other destinations in Canada.
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Daily Temperature in September in Prince Rupert
This chart shows the average daily temperatures, both day and night, for each day in September in Prince Rupert, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Prince Rupert
The chart below shows the average daily precipitation in September for Prince Rupert, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 17 days of rain in Prince Rupert.
Daily UV Index in September in Prince Rupert
This chart shows the average daily UV index in September in Prince Rupert, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Prince Rupert Over the Years
This chart shows the average temperature in September in Prince Rupert, measured in degrees Celsius, over the past years.
Total Precipitation in September in Prince Rupert Over the Years
This chart shows the average precipitation in September in Prince Rupert, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Prince Rupert
Click on a specific day in September for detailed info on the typical weather on that day in Prince Rupert. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Prince Rupert
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Average Weather in Prince Rupert by Month
Click on a month below to see detailed weather info for Prince Rupert. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Prince Rupert for all months at once
