Santa Clara Weather in September

September is one of the perfect months to visit Santa Clara, with daytime temperatures of 27°C (81°F) and lows of 14°C (57°F) at night. Rainfall is minimal, averaging just 2.5 mm (0.1 in) for the month.

Rainfall in Santa Clara in September

Typically, you can expect about a single day of rain this month, with 2.5 mm (0.1 in) on average. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in Santa Clara in September

The temperature in Santa Clara in September is perfect. Daytime highs reach 27°C (81°F), with nights dropping to 14°C (57°F). September is part of the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 14°C (57°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. This is typically the warmest month of the year, so light summer clothing is a good idea.

Sunshine in Santa Clara in September

With approximately 270 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Santa Clara.

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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 Santa Clara's climate page.

Santa Clara Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 27°C (81°F)  

Chance of Rain 3%  

Precipitation 2.5 mm (0.1 in)  

Rainy days a single day  

Humidity 73% *  

Sunshine 270 hours *  

Percentage Sunshine 73% *  

* Data from: San Francisco, the United States of America (47 KM, 29 Miles).

What to Wear in Santa Clara 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Santa Clara 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 Santa Clara's climate page.

More climate data for Santa Clara

Temperature Rainfall Sunshine Humidity

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