Chula Vista Weather in September

September in Chula Vista brings high temperatures, with highs of 26°C (79°F) and nights dropping to 18°C (64°F). Rainfall is very low this month, averaging just 2.8 mm (0.1 in).

Rainfall in Chula Vista in September

Rain is expected on roughly a single day, totalling around 2.8 mm (0.1 in) for the month. On the rare occasion it rains this month, it usually amounts to very little.

Temperature in Chula Vista in September

September in Chula Vista is generally perfect, with days reaching 26°C (79°F) and nights settling around 18°C (64°F). This kind of day-to-night contrast is typical for this time of year. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.

Sunshine in Chula Vista in September

Expect a lot of sunshine this month, with about 253 hours of sun. These sunny conditions add to the overall experience.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, June, July, August, September, October and November typically offer the best circumstances for Chula Vista.

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 Chula Vista's climate page.

Chula Vista Temperature in September

Min Temperature 18°C (64°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 3%  

Precipitation 2.8 mm (0.1 in)  

Rainy days a single day  

Humidity 74% *  

Sunshine 253 hours *  

Percentage Sunshine 68% *  

* Data from: San Diego, the United States of America (10 KM, 6 Miles).

What to Wear in Chula Vista in September

Warm but pleasant conditions in Chula Vista in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Chula Vista in September

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

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 Chula Vista's climate page.

More climate data for Chula Vista

Temperature Rainfall Sunshine Humidity

See the full Chula Vista climate overview or explore weather in the United States of America.