Menlo Park Weather in September

Menlo Park in September averages 26°C (79°F) during the day and 13°C (55°F) at night. This is part of the summer season. Minimal rainfall is to be expected.

Rainfall in Menlo Park in September

Typically around a single day of rainfall are expected, averaging 2.7 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 Menlo Park in September

The temperature in Menlo Park in September is perfect. Daytime highs reach 26°C (79°F), with nights dropping to 13°C (55°F). During September, you'll experience the summer season. 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. On average, it is the warmest month of the year.

Sunshine in Menlo Park in September

The city usually sees around 270 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Menlo Park.

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• 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 Menlo Park's climate page.

Menlo Park Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 3%  

Precipitation 2.7 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 (25 KM, 15 Miles).

What to Wear in Menlo Park in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Menlo Park 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 Menlo Park's climate page.

More climate data for Menlo Park

Temperature Rainfall Sunshine Humidity

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