York Harbor Weather in September

September in York Harbor brings high temperatures, with daytime highs of 22°C (72°F) and nights around 11°C (52°F). Quite a bit of rainfall is expected, around 100 mm (3.9 in), so pack an umbrella.

Rainfall in York Harbor in September

This month experiences about 9 days of rain according to historical data, averaging 100 mm (3.9 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in York Harbor in September

Temperatures in York Harbor in September top out at 22°C (72°F) and drop to 11°C (52°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in York Harbor in September

The month enjoys around 228 hours of sunshine, creating mostly sunny days with good weather conditions.

Should you favor a climate that's both dry and comfortably warm, August typically offers the most agreeable 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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For a detailed overview over the year and the best time to visit the United States of America, check out our York Harbor's climate page.

York Harbor Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 30%  

Precipitation 100 mm (3.9 in)  

Rainy days 9 days  

Humidity 77% *  

Sunshine 228 hours *  

Percentage Sunshine 61% *  

* Data from: Portland, the United States of America (66 KM, 41 Miles).

What to Wear in York Harbor in September

For York Harbor 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in York Harbor in September

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

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our York Harbor's climate page.

More climate data for York Harbor

Temperature Rainfall Sunshine Humidity

See the full York Harbor climate overview or explore weather in the United States of America.