Tustin Weather in September

In Tustin, September brings very high daytime temperatures around 30°C (86°F), with nights cooling to 17°C (63°F). Minimal rainfall is to be expected.

Rainfall in Tustin in September

Typically, about a single day will experience rainfall, with an average of 5.3 mm (0.2 in) for the month. Any rain that does arrive is likely to be fairly light and short-lived.

Temperature in Tustin in September

Tustin in September has excellent weather. Days reach 30°C (86°F) and nights cool to 17°C (63°F). It's usually most comfortable outside during the morning and later in the day. With lows of 17°C (63°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. The average temperatures are warm, but some days will be hotter. Make sure to dress in light, breathable clothing and drink plenty of water.

Sunshine in Tustin in September

The city usually sees around 290 hours of sunlight, indicating many sunny days — a great month for sightseeing.

September in Tustin has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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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 Tustin's climate page.

Tustin Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 3%  

Precipitation 5.3 mm (0.2 in)  

Rainy days a single day  

Sunshine 290 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (27 KM, 17 Miles).

What to Wear in Tustin in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. With minimal rainfall expected, you can leave the rain gear at home. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Tustin 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 Tustin's climate page.

More climate data for Tustin

Temperature Rainfall Sunshine

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