Port Allen
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Port Allen Weather in September

During September, Port Allen experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 21°C (70°F). Expect quite a bit of rainfall. Around 131 mm (5.2 in) is typical.

Rainfall in Port Allen in September

Typically around 11 days of rainfall are expected, averaging 131 mm (5.2 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Port Allen in September

Daytime highs in Port Allen in September reach 31°C (88°F), with nights around 21°C (70°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With lows of 21°C (70°F), the nights are warm and generally comfortable.

Sunshine in Port Allen in September

There are approximately 240 hours of sunshine this month, resulting in mostly clear days.

If your ideal day consists of dry skies and pleasant temperatures, November typically offers the best circumstances for Port Allen.

Port Allen Temperature in September

Min Temperature
21°C (70°F)
Max Temperature
31°C (88°F)
Chance of Rain
37%
Precipitation
131 mm (5.2 in)
Rainy days
11 days
Humidity
77% *
Sunshine
240 hours *
Percentage Sunshine
*
* Data from: Baton Rouge, the United States of America (5 KM, 3 Miles).

Port Allen Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Port Allen - 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 Port Allen 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 Port Allen in September

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

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

Port Allen 3-Day Forecast

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.