Pasadena weather in September (California, United States of America)

Can you expect sunny skies in Pasadena in September? Find out what kind of weather to expect during this month.

Temperatures

For September, the weather in Pasadena is generally perfect, featuring very high temperatures and low rainfall. September is typically considered a summer month. During the day, temperatures usually reach up to 32°C. At night, they tend to fall to approximately 18°C. Note that these temperatures are average, but some days may be hotter. Dress in cool, breathable fabrics to stay comfortable in the heat.

Precipitation

Pasadena in September usually receives low rainfall, averaging around 8.3 mm for the month. The climate data from previous years indicates that there are typically about a single day days of rain.

Average sunshine

Enjoy a sunny month with about 278 hours of sunshine, providing a cheerful and lively atmosphere.

If your ideal day consists of dry skies and moderate temperatures generally stand out with the best circumstances. While tend to showcase less optimal conditions.

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

 

Pasadena, monthly averages in September

Min Temperature 18°C  

Max Temperature 32°C  

Chance of Rain 3%  

Precipitation 8.3 mm  

Rainy days a single day  

Humidity 67% *  

Sunshine 278 hours *  

Percentage Sunshine 75% *  

Data from: Los Angeles, the United States of America (33 KM, 20 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.

Weather conditions Weather

Temperatures

Precipitation

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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 Pasadena.

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.