Yosemite National Park is definitely worth a visit
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Trenton Weather in September
September in Trenton typically sees daytime highs of 21°C (70°F) and nighttime lows of 10°C (50°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Trenton in September
You can typically expect 11 days of rain this month, averaging around 96 mm (3.8 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Trenton in September
Trenton in September has excellent weather. Days reach 21°C (70°F) and nights cool to 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Trenton Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
35%
Precipitation
96 mm (3.8 in)
Rainy days
11 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 the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America 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
For Trenton in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
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 the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
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