San Jose weather in September 2024

The temperatures in San Jose in September are comfortable with low of 17°C and and high up to 22°C.

With more than 22 rainy days, San Jose is an incredibly wet during September. Be sure to pack your umbrella and bring along your rubber boots to stay dry. It’s going to be raining cats and dogs this month!

Our weather forecast can give you a great sense of what weather to expect in San Jose in September 2024.

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

Temperatures

22° / 17°

Rainy Days

Snowy Days

Dry Days

Rainfall

793

Sun Hours

10.5

Hrs

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

Explore the weather in San Jose in other months

San Jose annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	23° / 14°	4	27	92 mm	Perfect	San Jose in January
February	24° / 14°	4	25	78 mm	Perfect	San Jose in February
March	25° / 15°	5	26	92 mm	Perfect	San Jose in March
April	25° / 16°	13	17	231 mm	Good	San Jose in April
May	23° / 17°	24	7	749 mm	Good	San Jose in May
June	22° / 17°	26	4	855 mm	Ok	San Jose in June
July	22° / 17°	24	7	685 mm	Ok	San Jose in July
August	22° / 17°	25	6	757 mm	Ok	San Jose in August
September	22° / 17°	28	2	793 mm	Awful	San Jose in September
October	22° / 17°	27	4	943 mm	Awful	San Jose in October
November	22° / 16°	19	11	481 mm	Ok	San Jose in November
December	23° / 15°	9	22	186 mm	Good	San Jose in December