Parnaíba Weather in September

September in Parnaíba typically sees daytime highs of 34°C (93°F) and nighttime lows of 25°C (77°F). With the least rainfall of the year, it's a reliably dry month.

Rainfall in Parnaíba in September

You can expect the least amount of rain of the year this month, making it perfect for outdoor events and activities. Analyzing past climate data, one can expect approximately 9 days of rain, averaging 2.3 mm (0.1 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Parnaíba in September

Parnaíba in September gets highs of 34°C (93°F) during the day and drops to 25°C (77°F) at night. It's usually most comfortable outside during the morning and later in the day. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding. Expect some days to be hotter than these averages. Stay cool by wearing light clothing and drinking plenty of water throughout the day.

September in Parnaíba has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.