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Harahan weather in September (Louisiana, United States of America)

Curious about the September weather in Harahan? Check out this comprehensive weather guide.

In September, Harahan typically experiences very high temperatures and heavy rainfall. Throughout the daytime, temperatures often hover around 31°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 23°C. Bear in mind, these are average temperatures, and it can get even warmer on particular days. Make sure to choose clothing that accommodates the warmth.

Harahan in September usually receives heavy rainfall, averaging around 165 mm for the month. Rain is expected on roughly 14 days.

The city usually sees around 227 hours of sunlight, indicating many sunny days.

Should you favor a climate that's both dry and comfortably warm October and November typically offer the most agreeable circumstances. On the other hand, July and August tend to be characterized by conditions that may not be as optimal.

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

 

Harahan, monthly averages in September

Min TemperatureMin Temperature 23°C  
Max TemperatureMax Temperature 31°C  
Water TemperatureWater Temperature 28°C *  
Chance of RainChance of Rain 47%  
PrecipitationPrecipitation 165 mm  
Rainy daysRainy days 14 days  
HumidityHumidity 78% *  
WindspeedWindspeed 11 km/h *  
SunshineSunshine 227 hours *  
Percentage SunshinePercentage Sunshine 62% *  
* Data from: New Orleans, the United States of America (6 KM, 4 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 Harahan 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. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 28°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming
8/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

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

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.