ClimateForecastSeptemberOctober >>

Mountain View weather in September (California, United States of America)

Interested in knowing the climate of Mountain View in September? Find all the essential weather information for this month in our guide.

Temperatures

The weather in Mountain View during September is usually perfect, offering high temperatures and almost no rainfall. September is part of the summer season. Expect daytime highs to reach approximately 26°C, with nighttime lows dipping to around 14°C. This month is typically the hottest of the year, so prepare with cool and comfortable cloths. Embrace the sunshine while keeping sun protection handy.

Precipitation

Mountain View in September usually receives almost no rainfall, averaging around 2.9 mm for the month. Typically, you can expect about 1 day of rain this month.

Average sunshine

Expect a lot of sunshine this month, with about 270 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Mountain View. April, May, June, July, August, September and October typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Mountain View climate page with graphs.

 

Mountain View, monthly averages in September

Min TemperatureMin Temperature 14°C  
Max TemperatureMax Temperature 26°C  
Chance of RainChance of Rain 3%  
PrecipitationPrecipitation 2.9 mm  
Rainy daysRainy days 1 day  
HumidityHumidity 73% *  
SunshineSunshine 270 hours *  
Percentage SunshinePercentage Sunshine 73% *  
* Data from: San Francisco, the United States of America (36 KM, 22 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

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

Interested in more climate information?

This site provides you with all the information you need about the climate in Mountain View.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.