Porto Formoso Weather in September

During September, Porto Formoso experiences high daytime temperatures of 24°C (75°F) and cooler nights around 20°C (68°F). Expect quite a bit of rainfall. Around 65 mm (2.6 in) is typical.

Rainfall in Porto Formoso in September

Typically, you can expect about 15 days of rain this month, with 65 mm (2.6 in) on average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Porto Formoso in September

September is one of the better months to visit Porto Formoso. Expect 24°C (75°F) during the day and 20°C (68°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 20°C (68°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Porto Formoso in September

With about 176 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Average water temperature in September

The water temperature is 25°C (77°F), which most people find very comfortable. A good month for swimming and water sports.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for Porto Formoso.

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

Porto Formoso Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 24°C (75°F)  

Water Temperature 25°C (77°F) *  

Chance of Rain 51%  

Precipitation 65 mm (2.6 in)  

Rainy days 15 days  

Humidity 80% *  

Sunshine 176 hours *  

Percentage Sunshine *  

* Data from: Ponta Delgada, Portugal (22 KM, 14 Miles).

What to Wear in Porto Formoso 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. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Porto Formoso in September

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

Swimming

7/10

Cycling

10/10

Walking

10/10

Camping

8/10

Outdoor sports

10/10

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 Portugal, check out our Porto Formoso's climate page.

More climate data for Porto Formoso

Temperature Rainfall Sunshine Humidity Water Temp

See the full Porto Formoso climate overview or explore weather in Portugal.