Óbidos weather in September
Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Good
Best time to visit: July – September
What is the weather like in Óbidos in September?
In September, Óbidos is warm: daytime highs average 23 °C, and nights cool down to about 17 °C. The sea averages 18.6 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is rare: about 5 days bring 32 mm in total. All in all, September is a good month for a holiday in Óbidos.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 77 | 67 | 36 |
| Day | 24° | 23° | 21° |
| Night | 18° | 17° | 15° |
| Sea | 19° | 19° | 18° |
| Sun | 10 h | 8 h | 6 h |
| Rain days | 1 | 5 | 10 |
More details for September
- Daylight
- 12 h 31 min07:17 – 19:47
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 2 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 40 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+1Europe/Lisbon
How the score comes together
- Temperatureweight 35 %72 %
- Seaweight 25 %23 %
- Sunshineweight 20 %85 %
- Few rainy daysweight 20 %96 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in September
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
Óbidos in September: quick answers
Is Óbidos hot in September?
Warm rather than hot: in September, daytime highs in Óbidos average 23 °C and nights cool to about 17 °C.
Can you swim in Óbidos in September?
Only if you don't mind cold water: in September the sea averages just 18.6 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Óbidos in September?
Rain is rare: about 5 days bring 32 mm in total.
Óbidos month by month
The whole year in ÓbidosAll destinations: PortugalWhere to go in SeptemberSea temperature in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences