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Princeton Weather in September

Thinking of visiting Princeton in September? Expect moderate temperatures reaching 17°C (63°F) during the day, dropping to 4°C (39°F) at night, with some rainfall likely.

Rainfall in Princeton in September

Historically, September sees about 8 days of rain, with a monthly average of 40 mm (1.6 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Princeton in September

In September, Princeton gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 4°C (39°F). September is part of summer. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

If you prefer dry days with pleasant temperatures, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Canada, check out our Princeton's climate page.

Princeton Temperature in September

Min TemperatureMin Temperature 4°C (39°F)  
Max TemperatureMax Temperature 17°C (63°F)  
Chance of RainChance of Rain 27%  
PrecipitationPrecipitation 40 mm (1.6 in)  
Rainy daysRainy days 8 days  

Best Places in Canada in September

Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in September →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Princeton in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers.

What To Do in Princeton in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
6/10
Walking
6/10
Camping
5/10
Outdoor sports
10/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Canada, check out our Princeton's climate page.

More climate data for Princeton