ClimateForecastSeptemberOctober >>

Grass Valley weather in September (California, United States of America)

What is the weather forecast for Grass Valley in September? Check out our in-depth weather guide for this month.

Temperatures

Experience perfect weather in Grass Valley in September, characterized by high temperatures and low rainfall. Summer occurs in September. Throughout the daytime, temperatures often hover around 28°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 13°C.

Precipitation

Grass Valley in September usually receives low rainfall, averaging around 13 mm for the month. Looking at the last 30 years, the data shows about 2 days with rain.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit Grass Valley. May, June, July, August, September and October typically offer the most agreeable circumstances. On the other hand, January, February, March and December tend to be characterized by conditions that may not be as optimal.

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

 

Grass Valley, monthly averages in September

Min TemperatureMin Temperature 13°C  
Max TemperatureMax Temperature 28°C  
Chance of RainChance of Rain 7%  
PrecipitationPrecipitation 13 mm  
Rainy daysRainy days 2 days  

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.

Cycling
8/10
Walking
8/10
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 Grass Valley.

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.