Typical Weather in Lafayette, LA in September
88° F Avg High
70° F Avg Low
6 Rainy Days
☀️ Temperature Summary
September is a popular time of year to visit, with an inviting climate characterized by warm temperatures. Highs in September are typically around 88°F, which is warmer than usual in Lafayette. You can expect overnight lows near 70°F most days.
Be ready to seek shade during the day, as mid-day temperatures can be dangerous if you're caught without a way to cool off. If you want to avoid the September heat, you may consider visiting in October instead, when highs are often closer to 81°.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 21% chance of rain for any given day in September. It's one of the drier months of the year for Lafayette, with total rainfall for the month around 5 inches.
Rainfall Throughout the Year
Planning a trip to Lafayette? Try our free trip weather planner