Mendoza weather in September 2025

The temperatures in Mendoza in September are quite cold with temperatures between 8°C and 19°C, warm clothes are a must.

The wather in Mendoza in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.

Please note that Mendoza can expect a few days of snow in September.

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

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

Temperatures

19° / 8°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.8

Hrs

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

Explore the weather in Mendoza in other months

Mendoza annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	31° / 19°	6	25	0	137 mm	Good	Mendoza in January
February	29° / 18°	5	24	0	137 mm	Good	Mendoza in February
March	26° / 15°	3	29	0	57 mm	Perfect	Mendoza in March
April	22° / 12°	1	29	0	30 mm	Good	Mendoza in April
May	16° / 8°	1	30	0	15 mm	Good	Mendoza in May
June	12° / 4°	1	29	0	10 mm	Ok	Mendoza in June
July	12° / 3°	0	30	1	9 mm	Ok	Mendoza in July
August	16° / 6°	1	30	1	13 mm	Good	Mendoza in August
September	19° / 8°	1	28	1	13 mm	Good	Mendoza in September
October	23° / 11°	3	28	0	44 mm	Perfect	Mendoza in October
November	27° / 15°	5	25	0	91 mm	Perfect	Mendoza in November
December	29° / 18°	4	27	0	99 mm	Good	Mendoza in December