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Trenton Weather in September
Trenton in September sees high temperatures, with highs around 22°C (72°F) and overnight lows of 14°C (57°F). Rainfall is fairly high at around 93 mm (3.7 in) on average, so pack waterproofs just in case.
Rainfall in Trenton in September
Historically, approximately 10 days this month are expected to have rain, averaging 93 mm (3.7 in). When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Trenton in September
Trenton in September is worth a visit. The temperature is excellent, with 22°C (72°F) during the day and 14°C (57°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Trenton.
Trenton Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
22°C (72°F)
Chance of Rain
33%
Precipitation
93 mm (3.7 in)
Rainy days
10 days
Trenton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Trenton - and find the best time to visit.
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 →
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 Trenton 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. Prepare for significant rainfall with proper waterproof clothing and shoes.
What To Do in Trenton in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Trenton 3-Day Forecast
More climate data for Trenton
See the full Trenton climate overview or explore weather in Canada.
Popular in September
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) Bucket list
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