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September Rainfall Precipitation in Piauí

Piauí is a region in Brazil. September generally is a very dry month with an average rainfall around 4.7 mm in Teresina.

Where and how much does it rain in Piauí in September?

Find the average total precipitation in September for the most popular destinations in Piauí on the map below. Click on a destination dot for more detailed information.

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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Piauí receive in September?
  • In general in September it hardly rains in Teresina at all. For people who want to avoid wet weather, it is a perfect month to visit.

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