The climate in Montemor-o-Novo during September can be summarized as warm and dry.
September is in the fall / autumn in Montemor-o-Novo and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 16°C (61°F) is normal.
Daytime temperature | 27.6°C 81.6°F |
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Nightly temperature | 16.1°C 60.9°F |
Average temperature | 21.8°C 71.2°F |
Daily sunshine | 9 hrs |
Avg rainfall | 27 mm 1.1 ins |
Rainy days | 5 days |
Sea temperature | 20.6°C 69°F |
Humidity | 59% |
Windspeed | 13kph 8 mph |
On average September is the 4th driest month of the year in Montemor-o-Novo with around 27mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 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 Montemor-o-Novo in September 2025.
Best places to visit in September
Hottest month: | August | 29.7°C 85.5°F |
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Driest month: | August | 4mm 0.2ins |
Sunniest month: | August | 11.9hrs |
Coldest month: | January | 13.5°C 56.3°F |
Wettest month: | January | 96mm 3.8ins |