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Weather in September in Louisiana

Planning a getaway to Louisiana this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What is the weather like in Louisiana in September?

Louisiana is a region in the United States of America. September in Louisiana generally has very warm temperatures, with precipitation levels ranging from moderate to heavy.

Temperatures

You can expect very warm maximum daytime temperatures of around 31°C and nighttime temperatures around 23°C in New Orleans. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Shreveport with an average of 69 mm to heavy rainfall in Galliano with 182 mm.

Average sunshine

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

For a closer look at September's conditions in Louisiana, see the map below. For a more detailed look at Louisiana's yearly weather, check out our Louisiana climate page.

Where to go in Louisiana in September

Find more information for the most popular destinations in the Louisiana on the map below. Click on a destination dot for more detailes.

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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).

Popular destinations

What is the weather like in September for the 5 most popular destinations in Louisiana?

New Orleans

In September New Orleans generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 23°C and high monthly rainfall. So on average the conditions are tolerable that month.

New Orleans
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
33°C 
25°C 
251 hours 
219 mm 
19 days 
poor 
31°C 
23°C 
227 hours 
155 mm 
13 days 
October   >> October
>>  
27°C 
17°C 
241 hours 
98 mm 
8 days 
Climate in New Orleans

Baton Rouge

In September Baton Rouge generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 21°C and high monthly rainfall. So on average the conditions are tolerable that month.

Baton Rouge
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
33°C 
23°C 
270 hours 
230 mm 
17 days 
poor 
31°C 
21°C 
240 hours 
135 mm 
12 days 
October   >> October
>>  
27°C 
14°C 
260 hours 
111 mm 
8 days 
Climate in Baton Rouge

Houma

In September Houma generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 22°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Houma
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
33°C 
24°C 
251 hours 
257 mm 
20 days 
poor 
31°C 
22°C 
227 hours 
179 mm 
15 days 
October   >> October
>>  
27°C 
15°C 
241 hours 
111 mm 
7 days 
Climate in Houma

Metairie

In September Metairie generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 24°C and high monthly rainfall. So on average the conditions are tolerable that month.

Metairie
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
33°C 
26°C 
251 hours 
194 mm 
18 days 
31°C 
24°C 
227 hours 
146 mm 
13 days 
October   >> October
>>  
27°C 
18°C 
241 hours 
95 mm 
8 days 
Climate in Metairie

Slidell

In September Slidell generally has very high temperatures with maximum daytime temperatures around 31°C, minimum nighttime temperatures around 21°C and high monthly rainfall. So on average the conditions are tolerable that month.

Slidell
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
33°C 
23°C 
251 hours 
197 mm 
17 days 
31°C 
21°C 
227 hours 
129 mm 
12 days 
October   >> October
>>  
27°C 
15°C 
241 hours 
88 mm 
7 days 
Climate in Slidell

Is your destination not in the list? Have a look at other destinations in Louisiana, in the United States of America.

Is September the best time to visit Louisiana?

In our opinion, September is a good time to visit Louisiana with overall tolerable weather in New Orleans. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Louisiana is in October and November with generally perfect weather in New Orleans. The weather in August, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Louisiana. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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.