Portugal weather in September 2025

The temperatures in Portugal in September are comfortable with low of 17°C and and high up to 27°C.

You can expect a few rainy days in Portugal during September, but usually the weather is comfortable in September.

Our weather forecast can give you a great sense of what weather to expect in Portugal in September 2025.

If you’re planning to visit Portugal in the near future, we highly recommend that you review the 14 day weather forecast for Portugal before you arrive.

Temperatures

27° / 17°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.4

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1 25° /17°	2 26° /17°	3 27° /18°	4 28° /17°	5 27° /17°	6 27° /18°
7 27° /18°	8 26° /18°	9 26° /18°	10 25° /18°	11 26° /17°	12 26° /18°	13 27° /19°
14 25° /18°	15 25° /19°	16 25° /18°	17 25° /18°	18 24° /17°	19 25° /17°	20 23° /18°
21 24° /18°	22 25° /17°	23 23° /17°	24 23° /17°	25 23° /17°	26 24° /16°	27 24° /16°
28 24° /16°	29 26° /16°	30 26° /17°

Explore the weather in Portugal in other months

Portugal annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	15° / 9°	5	26	76 mm	Good	Portugal in January
February	16° / 9°	4	24	83 mm	Good	Portugal in February
March	18° / 10°	5	26	88 mm	Good	Portugal in March
April	19° / 12°	4	26	81 mm	Good	Portugal in April
May	23° / 14°	3	28	53 mm	Perfect	Portugal in May
June	25° / 16°	1	29	16 mm	Perfect	Portugal in June
July	28° / 17°	0	31	4 mm	Perfect	Portugal in July
August	29° / 17°	0	31	4 mm	Good	Portugal in August
September	27° / 17°	2	28	38 mm	Perfect	Portugal in September
October	24° / 16°	3	28	94 mm	Perfect	Portugal in October
November	18° / 12°	6	24	109 mm	Good	Portugal in November
December	16° / 10°	4	27	99 mm	Good	Portugal in December