Vale do Lobo Weather in September
In Vale do Lobo, September brings high daytime temperatures around 25°C (77°F), with nights cooling to 19°C (66°F). Some rainfall is to be expected.
Rainfall in Vale do Lobo in September
You can expect rain on around 2 days based on historical patterns, with 23 mm (0.9 in) average for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Vale do Lobo in September
If you're visiting Vale do Lobo in September, expect perfect temperatures with highs of 25°C (77°F) and overnight lows of 19°C (66°F). September is part of summer. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights cool down to 19°C (66°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 Vale do Lobo in September
Enjoy a sunny month with about 278 hours of sunshine, the clear skies make Vale do Lobo even more beautiful.
Wind Speed in Vale do Lobo in September
Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in September
With water at 20°C (68°F), conditions are good for swimming and other water activities. You won't need a wetsuit and most people find it very comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for Vale do Lobo.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Vale do Lobo's climate page.
Vale do Lobo Temperature in September
Min Temperature
19°C (66°F)
Max Temperature
25°C (77°F)
Water Temperature
20°C (68°F) *
Chance of Rain
8%
Precipitation
23 mm (0.9 in)
Rainy days
2 days
Humidity
65% *
Windspeed
3 m/s (6 knots) *
Sunshine
278 hours *
Percentage Sunshine
76% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vale do Lobo typically stay consistent throughout September, with daily highs averaging around 25°C (77°F). Nights are pleasant, with lows typically ranging from 17°C (63°F) to 20°C (68°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Vale do Lobo in September
Browse day-by-day weather records for Vale do Lobo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vale do Lobo historical weather extremes in September
Based on 49 years of weather observations in Vale do Lobo between 1976 and 2025, these are the recorded extremes.
- On September 27, 1983, temperatures climbed to 37°C (99°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 19°C (66°F), recorded on September 22, 1994.
- Nighttime temperatures dropped to 10°C (50°F) on September 23, 1994, marking the coldest September night on record.
Best Places in Portugal in September
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Vale do Lobo in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Some rain is possible, so pack something to handle light showers. With water temperatures around 20°C (68°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Vale do Lobo in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Vale do Lobo's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Vale do Lobo climate overview or explore weather in Portugal.
