Pleasanton Weather in September

Pleasanton in September averages 30°C (86°F) during the day and 13°C (55°F) at night. Minimal rainfall is typical for this time of year.

Rainfall in Pleasanton in September

Rain is expected on roughly a single day, totalling around 3.1 mm (0.1 in) for the month. If rain does fall, it tends to be very light and barely worth getting out an umbrella for.

Temperature in Pleasanton in September

The temperature in Pleasanton in September is excellent. Daytime highs reach 30°C (86°F), with nights dropping to 13°C (55°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 13°C (55°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Pleasanton in September

Enjoy a sunny month with about 270 hours of sunshine, the clear skies make Pleasanton even more beautiful.

Should you favor a climate that's both dry and comfortably warm, April, May, June and October typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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• January
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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 Pleasanton's climate page.

Pleasanton Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 30°C (86°F)  

Chance of Rain 3%  

Precipitation 3.1 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 (45 KM, 28 Miles).

What to Wear in Pleasanton 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Pleasanton 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 Pleasanton's climate page.

More climate data for Pleasanton

Temperature Rainfall Sunshine Humidity

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