Watsonville weather in September 2025

The temperatures in Watsonville in September are comfortable with low of 14°C and and high up to 25°C.

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

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

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

Temperatures

25° / 14°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

11.2

Hrs

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

Explore the weather in Watsonville in other months

Watsonville annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	16° / 7°	5	26	113 mm	Good	Watsonville in January
February	16° / 7°	5	23	88 mm	Good	Watsonville in February
March	16° / 7°	6	25	102 mm	Good	Watsonville in March
April	18° / 8°	3	27	32 mm	Good	Watsonville in April
May	19° / 9°	2	29	12 mm	Good	Watsonville in May
June	22° / 12°	0	30	3 mm	Good	Watsonville in June
July	24° / 13°	0	31	1 mm	Perfect	Watsonville in July
August	24° / 14°	0	31	0 mm	Perfect	Watsonville in August
September	25° / 14°	1	30	3 mm	Perfect	Watsonville in September
October	22° / 12°	1	30	30 mm	Good	Watsonville in October
November	18° / 9°	4	27	50 mm	Good	Watsonville in November
December	15° / 7°	6	25	107 mm	Good	Watsonville in December

Temperatures in Watsonville in September

Rain in Watsonville in September

Weather in Watsonville in September - FAQ

What is the average temperature in Watsonville in September?

The average temperature in Watsonville in September is 14/25° C.

What is the chance of rain in Watsonville in September?

On average, there are 1 rainy days in Watsonville during September.

Weather wise, is September a good time to visit Watsonville?

The weather in Watsonville in September is perfect.

Can it snow in Watsonville in September?

On average, there are 0 snowy days in Watsonville in September.

More about the weather in Watsonville