The climate in Nazaré during September can be summarized as warm and reasonably dry.
September is in the fall / autumn in Nazaré 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 | 15.9°C 60.6°F | 
| Average temperature | 21.1°C 70°F | 
| Daily sunshine | 8.8 hrs | 
| Avg rainfall | 41 mm 1.6 ins | 
| Rainy days | 8 days | 
| Sea temperature | 19.8°C 67.6°F | 
| Humidity | 70% | 
| Windspeed | 11.9kph 7 mph | 
On average September is the 4th driest month of the year in Nazaré with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 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 Nazaré in September 2025.
Best places to visit in September
| Hottest month: | August | 27.3°C 81.1°F | 
|---|---|---|
| Driest month: | July | 9mm 0.4ins | 
| Sunniest month: | August | 11.3hrs | 
| Coldest month: | January | 14.4°C 57.9°F | 
| Wettest month: | January | 135mm 5.3ins | 
 
	 
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