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McKinney weather in September (Texas, United States of America)

Planning a trip to McKinney in September? Check out this comprehensive weather guide.

In September, McKinney generally has very high temperatures and moderate rainfall. Daytime temperatures hover around 32°C, while nights can cool down to about 19°C.

Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water, especially if you find yourself outdoors for extended periods.

McKinney in September usually receives moderate rainfall, averaging around 78 mm for the month. Rain is expected on roughly 6 days.

The days are predominantly sunny, with an estimated total of around 248 hours of sunshine. This amount of sunlight does not only brightens the days but also contributes to a cheerful ambiance in the area during this month.

If you favor pleasant temperatures and minimal rainfall, September is one of the better months to visit McKinney. March, April, May, June, September, October and November typically offer the most agreeable circumstances. On the other hand, August tends to be characterized by conditions that may not be as optimal.

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

 

McKinney, monthly averages in September

Min TemperatureMin Temperature 19°C  
Max TemperatureMax Temperature 32°C  
Chance of RainChance of Rain 20%  
PrecipitationPrecipitation 78 mm  
Rainy daysRainy days 6 days  
HumidityHumidity 67% *  
SunshineSunshine 248 hours *  
Percentage SunshinePercentage Sunshine 66% *  
* Data from: Dallas, the United States of America (49 KM, 30 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America in September and which places have the best weather 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 McKinney in September?

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 in September.

Swimming
9/10
Cycling
7/10
Walking
7/10
Camping
8/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in McKinney.

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 climate conditions. Find out where to go with our weather planner.