Climate guide for Prince Rupert, Canada

Prince Rupert in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · Canada

Best time to visit Prince Rupert in September Weather, crowds & prices

Weather in Prince Rupert in September

Average temperature 12°C, 194 mm of rain, about 3 days with 6+ hours of sunshine and 88% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

5.2/10

Ranked #6 of 12 months

Full year for Prince Rupert
Avg temp
12°C
Rainfall
194 mm
Humidity
88%
Days with 6h+ sun
3
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Prince Rupert scores 5.2/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 12°C, 194 mm of rain, and roughly 3 days with 6+ hours of sunshine this month.

Prince Rupert faces the Inside Passage with misty fjords, salmon runs, and ferry links deeper into coastal BC.

September in Prince Rupert — middling scores, decent value

September averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

At 194 mm this is a genuinely wet month: about 3 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.

It scores 5.2/10 here, 6th of 12 months, against 8.3/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.

Figure on mid-season pricing, with crowds are moderate.

Flexible dates? June scores 3.1 points higher here — enough to change the trip.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Prince Rupert in September?
In September, Prince Rupert averages 12°C, 194 mm of rain, and about 3 days with 6+ hours of sunshine. Its climate-comfort score is 5.2/10.
Is September a good time to visit Prince Rupert?
September earns a 5.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Prince Rupert in September?
Expect about 194 mm of rain in September. Average humidity is 88% and there are about 3 days with 6+ hours of sunshine.

Curated in Prince Rupert

Tickets & experiences

Things to do in Prince Rupert

Prince Rupert, Canada. Live activities and tours from GetYourGuide, matched to this destination.