Arroyo Grande Weather in September

In Arroyo Grande, September brings high daytime temperatures around 23°C (73°F), with nights cooling to 12°C (54°F). Minimal rainfall is to be expected.

Rainfall in Arroyo Grande in September

Based on our climate data of the past 30 years, about 0 days of rain are anticipated, with 0.5 mm (0.02 in) on average. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in Arroyo Grande in September

Weather in Arroyo Grande is at its perfect in September. Highs reach 23°C (73°F), while nights settle around 12°C (54°F). This kind of day-to-night contrast is typical for this time of year. With overnight lows of 12°C (54°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. On average, it is the month with the highest temperature of the year.

Sunshine in Arroyo Grande in September

Expect sunny days throughout the month, with an estimated 270 hours of sunshine. This makes it a pleasant time to visit Arroyo Grande.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. March, April, May, June, July, August, September, October and November typically offer the best weather for Arroyo Grande.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Arroyo Grande's climate page.

Arroyo Grande Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 1%  

Precipitation 0.5 mm (0.02 in)  

Rainy days 0 days  

Sunshine 270 hours *  

Percentage Sunshine *  

* Data from: Paso Robles, the United States of America (57 KM, 35 Miles).

What to Wear in Arroyo Grande in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Arroyo Grande in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Arroyo Grande's climate page.

More climate data for Arroyo Grande

Temperature Rainfall Sunshine

See the full Arroyo Grande climate overview or explore weather in the United States of America.