The climate in Óbidos during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Óbidos and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 26.3°C 79.3°F |
|---|---|
| Nightly temperature | 16.1°C 61°F |
| Average temperature | 21.2°C 70.2°F |
| Daily sunshine | 8.9 hrs |
| Avg rainfall | 38 mm 1.5 ins |
| Rainy days | 7 days |
| Sea temperature | 19.8°C 67.6°F |
| Humidity | 69% |
| Windspeed | 11.9kph 7 mph |
On average September is the 4th driest month of the year in Óbidos with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.9 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Óbidos in September 2025.
Best places to visit in September
| Hottest month: | August | 27.5°C 81.5°F |
|---|---|---|
| Driest month: | July | 8mm 0.3ins |
| Sunniest month: | August | 11.4hrs |
| Coldest month: | January | 14.3°C 57.7°F |
| Wettest month: | January | 130mm 5.1ins |