Harahan Weather in September

With daytime temperatures of 31°C (88°F) and nighttime lows of 23°C (73°F), September in Harahan brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 165 mm (6.5 in) falls on average.

Rainfall in Harahan in September

Historically, September sees about 14 days of rain, with a monthly average of 165 mm (6.5 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Harahan in September

Daytime temperatures in Harahan reach 31°C (88°F) in September, dropping to 23°C (73°F) at night. It's usually most comfortable outside during the morning and later in the day. At 23°C (73°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.

Sunshine in Harahan in September

Expect a lot of sunshine this month, with about 227 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Harahan in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

Average water temperature in September

The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.

If your ideal day consists of dry skies and pleasant temperatures, October and November typically offer the best circumstances for Harahan.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Harahan's climate page.

Harahan Temperature in September

Min Temperature 23°C (73°F)  

Max Temperature 31°C (88°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 47%  

Precipitation 165 mm (6.5 in)  

Rainy days 14 days  

Humidity 78% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 227 hours *  

Percentage Sunshine 62% *  

* Data from: New Orleans, the United States of America (6 KM, 4 Miles).

What to Wear in Harahan in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Harahan in September

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

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Harahan's climate page.

More climate data for Harahan

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Harahan climate overview or explore weather in the United States of America.