Saco Weather in September

In Saco, September brings high daytime temperatures around 23°C (73°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.

Rainfall in Saco in September

Historically, September sees about 10 days of rain, with a monthly average of 97 mm (3.8 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Saco in September

September tends to be one of the perfect months in Saco, with 23°C (73°F) in the afternoon and 11°C (52°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. 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 Saco in September

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

Average water temperature in September

The water is 16°C (61°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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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 Saco's climate page.

Saco Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 23°C (73°F)  

Water Temperature 16°C (61°F) *  

Chance of Rain 33%  

Precipitation 97 mm (3.8 in)  

Rainy days 10 days  

Humidity 77% *  

Sunshine 228 hours *  

Percentage Sunshine 61% *  

* Data from: Portland, the United States of America (23 KM, 14 Miles).

What to Wear in Saco in September

For Saco 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. The water temperature sits at about 16°C (61°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Saco 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 Saco's climate page.

More climate data for Saco

Temperature Rainfall Sunshine Humidity Water Temp

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