Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Slidell Weather in September
In Slidell, September brings very high daytime temperatures around 31°C (88°F), with nights cooling to 21°C (70°F). Expect quite a bit of rainfall this month.
Rainfall in Slidell in September
On average, there are about 12 days with rain during this month, averaging 129 mm (5.1 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Slidell in September
Expect highs of 31°C (88°F) in Slidell in September, with nights dropping to around 21°C (70°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. Nights are mild at around 21°C (70°F), which is comfortable for most people.
Sunshine in Slidell in September
Expect sunny days throughout the month, with an estimated 227 hours of sunshine. This makes it a pleasant time to visit Slidell.If you prefer dry days with pleasant temperatures, October and November typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Slidell Temperature in September
Min Temperature
21°C (70°F)
Max Temperature
31°C (88°F)
Chance of Rain
40%
Precipitation
129 mm (5.1 in)
Rainy days
12 days
Humidity
78% *
Sunshine
227 hours *
Percentage Sunshine
62% *
* Data from: New Orleans, the United States of America (55 KM, 34 Miles).
Slidell Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Slidell - and find the best time to visit.
Best Places 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. See all of the United States of America in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Slidell 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. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Slidell in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Slidell 3-Day Forecast
More climate data for Slidell
Temperature Rainfall Sunshine Humidity
See the full Slidell climate overview or explore weather in the United States of America.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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