ClimateForecastSeptemberOctober >>

Connecticut precipitation in September

Connecticut is a region in the United States of America. In September precipitation ranges from moderate in Manchester with 81 mm of rainfall to high in Old Saybrook with 115 mm of rainfall.

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

Find the average total precipitation in September for the most popular destinations in Connecticut 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 Connecticut receive in September?
  • In September, Stamford typically experiences moderate rainfall, averaging about 92 mm. This translates to a mix of wet and dry days throughout the month.

  • What is the wettest city in September in Connecticut?
  • Based on our records, Old Saybrook is the location with the highest average precipitation, receiving about 115 mm.

  • What is the driest city in September in Connecticut?
  • Based on our records, Manchester registers the lowest average precipitation, with only 81 mm.

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