Baton Rouge Weather in September

September in Baton Rouge typically sees daytime highs of 31°C (88°F) and nighttime lows of 21°C (70°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Baton Rouge in September

The climate data from previous years indicates about 12 days of rain, averaging 135 mm (5.3 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Baton Rouge in September

In September, Baton Rouge sees very high temperatures, with highs of 31°C (88°F). Nights drop to around 21°C (70°F). Mornings and evenings are often more comfortable than the peak afternoon hours. Nights remain mild at 21°C (70°F), making evenings a pleasant time to be outdoors.

Sunshine in Baton Rouge in September

The month enjoys around 240 hours of sunshine, creating mostly sunny days with good weather conditions.

If you prefer dry days with pleasant temperatures, March, April, May, 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.