Oeiras weather in September (Lisbon Region, Portugal)
Looking to travel to Oeiras in September? This guide provides all the details you need.
In Oeiras the weather in September is generally perfect, with high temperatures and moderate rainfall. Daytime temperatures hover around 23°C, while nights can cool down to about 18°C.
Oeiras in September usually receives moderate rainfall, averaging around 31 mm for the month. Based on our climate data of the past 30 years, about 6 days of rain are anticipated.
The days are predominantly sunny, with an estimated total of around 278 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.
If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Oeiras. May, June, July, August, September and October typically offer the best circumstances. While January, February, March and December tend to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized Oeiras climate page with graphs.
Oeiras, monthly averages in September
Where to go in Portugal in September
Find out more about the weather in Portugal in September and which places have the best weather conditions in this month.
So, what should you wear in Oeiras in September?
For visitors traveling to Oeiras, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.What To Do
We rated the following activities from 1 (least suitable) to 10 (best) to do in September.
Interested in more climate information?
Weather and Climate provides you with all the information you need about the climate in Oeiras.
Our site offers climate and forecast data for every country in the world. Are you going to Portugal? On this website you can find historical weather averages for many cities in Portugal. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.