Porto weather
Our guide to the weather in Porto during September
Porto, Portugal is a vibrant city with a rich cultural heritage and stunning architecture, making it an ideal destination for American tourists looking to explore Europe in September. We've looked at the most up-to-date weather data for Porto, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Porto weather in September.
What's the weather like in Porto during September?
In September it's comfortably warm, with plenty of sun and limited rainy days. So you can still enjoy a sunbathe and a swim in the pool.
Answered by Mini Adventures
What should I pack for a holiday in Porto during September?
Suncream, sunglasses, light clothing and a jacket/cardigan for late evening. Comfortable footwear, as Porto is pretty hilly and some streets are quite uneven.
Answered by Mini Adventures
What's great about Porto in September?
A quieter, more relaxed vibe than Lisbon - temperatures are still lovely and warm but slightly cooler than high summer in July and August. Lots of outside seating to soak up the atmosphere and enjoy a sangria!
Answered by Mini Adventures
How warm is it in Porto during September?
The temperature reaches around 25℃ during the daytime in September, falling away to 17℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Porto during September?
On average, there will be 3 rainy days during the month, amounting to 73.4mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Porto during September?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in September. With moderate humidity and mild air temperatures, the breeze will have a slight cooling effect.
How warm is the sea in Porto during September?
The water around Porto is around 18℃ during September. It will feel a little on the cool when first entering, but you'll warm up quickly. Most kids will have no problem with this temperature, but those who feel the cold are unlikely to want to swim.
Weather in Porto
Our month-by-month guide to the weather and climate in Porto
Porto weather in
JanuaryPorto weather in
FebruaryPorto weather in
MarchPorto weather in
AprilPorto weather in
MayPorto weather in
JunePorto weather in
JulyPorto weather in
AugustPorto weather in
SeptemberPorto weather in
OctoberPorto weather in
NovemberPorto weather in
December