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Santo Isidoro Weather in September
With daytime temperatures of 22°C (72°F) and nighttime lows of 18°C (64°F), September in Santo Isidoro brings high temperatures during the day. The excellent weather makes it an appealing time to visit.
Rainfall in Santo Isidoro in September
The climate data from previous years indicates about 7 days of rain, averaging 33 mm (1.3 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Santo Isidoro in September
September is a excellent month in Santo Isidoro, with 22°C (72°F) during the day and 18°C (64°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 18°C (64°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 Santo Isidoro in September
Expect sunny days throughout the month, with an estimated 278 hours of sunshine. This makes it a pleasant time to visit Santo Isidoro.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August, September and October typically offer the best weather for Santo Isidoro.
Santo Isidoro Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
22°C (72°F)
Chance of Rain
22%
Precipitation
33 mm (1.3 in)
Rainy days
7 days
Humidity
75% *
Sunshine
278 hours *
Percentage Sunshine
75% *
* Data from: Cascais, Portugal (32 KM, 20 Miles).
Santo Isidoro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Santo Isidoro - and find the best time to visit.
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
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Santo Isidoro in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Santo Isidoro in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
Santo Isidoro 3-Day Forecast
More climate data for Santo Isidoro
Temperature Rainfall Sunshine Humidity
See the full Santo Isidoro climate overview or explore weather in Portugal.
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