Carlsbad weather in September 2025

The temperatures in Carlsbad in September are comfortable with low of 19°C and and high up to 26°C.

You can expect a few rainy days in Carlsbad 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 Carlsbad in September 2025.

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

Temperatures

26° / 19°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.9

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1 27° /19°	2 26° /19°	3 27° /19°	4 28° /19°	5 29° /20°	6 29° /20°
7 29° /19°	8 31° /22°	9 30° /22°	10 27° /20°	11 28° /20°	12 26° /19°	13 25° /18°
14 24° /17°	15 24° /17°	16 23° /16°	17 23° /17°	18 23° /17°	19 23° /16°	20 24° /16°
21 24° /17°	22 25° /17°	23 26° /18°	24 23° /16°	25 24° /17°	26 24° /17°	27 25° /17°
28 25° /17°	29 24° /17°	30 24° /16°

Explore the weather in Carlsbad in other months

Carlsbad annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	19° / 12°	2	29	37 mm	Good	Carlsbad in January
February	18° / 11°	2	27	39 mm	Good	Carlsbad in February
March	18° / 12°	1	30	26 mm	Good	Carlsbad in March
April	19° / 13°	1	30	13 mm	Good	Carlsbad in April
May	20° / 14°	0	31	14 mm	Good	Carlsbad in May
June	22° / 16°	0	30	7 mm	Good	Carlsbad in June
July	24° / 18°	1	30	26 mm	Perfect	Carlsbad in July
August	25° / 19°	1	30	14 mm	Perfect	Carlsbad in August
September	26° / 19°	1	29	14 mm	Perfect	Carlsbad in September
October	24° / 17°	1	30	12 mm	Perfect	Carlsbad in October
November	21° / 15°	1	29	24 mm	Good	Carlsbad in November
December	18° / 12°	2	29	39 mm	Good	Carlsbad in December