Rosário-Lagoa Weather in September

With daytime temperatures of 24°C (75°F) and nighttime lows of 20°C (68°F), September in Rosário-Lagoa brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 68 mm (2.7 in) falls on average.

Rainfall in Rosário-Lagoa in September

Records from the past 30 years suggest around 15 days of rain, with 68 mm (2.7 in) average for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Rosário-Lagoa in September

September is a perfect month in Rosário-Lagoa, with 24°C (75°F) during the day and 20°C (68°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Rosário-Lagoa in September

The month brings about 176 hours of sunlight, offering a comfortable mix of sun and overcast.

Average water temperature in September

The water is 25°C (77°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Rosário-Lagoa.

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

Rosário-Lagoa 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 68 mm (2.7 in)  

Rainy days 15 days  

Humidity 80% *  

Sunshine 176 hours *  

Percentage Sunshine *  

* Data from: Ponta Delgada, Portugal (6 KM, 4 Miles).

What to Wear in Rosário-Lagoa in September

For Rosário-Lagoa 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. Rain is likely on several days, so bring a good rain jacket. With water temperatures around 25°C (77°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Rosário-Lagoa 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 Rosário-Lagoa's climate page.

More climate data for Rosário-Lagoa

Temperature Rainfall Sunshine Humidity Water Temp

See the full Rosário-Lagoa climate overview or explore weather in Portugal.