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  1. Kauai Island September Weather, Average Temperature (Hawaii ...

    In Kauai Island during September average daily high temperatures are level around 84°F and the fraction of time spent overcast or mostly cloudy increases from 30% to 37%.

  2. Kauai weather in September, averages - Weather and Climate

    September in Kauai generally has warm temperatures, with moderate precipitation. You can expect warm maximum daytime temperatures of around 28°C and nighttime temperatures …

  3. Weather in Kauai Island, United States in September

    The average temperature is 27°C (80°F) in the previous month and 26°C (79°F) in the next month. The average minimum temperature in Kauai Island in September is 23°C (74°F).

  4. Weather Kauai in September 2026: Temperature & Climate

    The average temperature here is about 75.7°F (24.3°C). During peak daytime hours, temperatures can soar up to 82.4°F (28°C), which is perfect for those looking to soak up the …

  5. Weather in Kauai (Garden Isle) in September: Temperature ...

    Thus, the mean temperature average in september in Kauai (Garden Isle) is 81°F. Note that seasonal normals in contrast with those observed in Kauai (Garden Isle) in the month of …

  6. Weather in Kauai in September. Sea water temperature in ...

    Get Kauai weather conditions in September. We provide day and night temperatures, sunshine hours, sea temperature and precipitations averages for Kauai in September

  7. Climate & Weather Averages in Kaua‘i, Hawaii, USA

    Averages are for Lihue Lihue Airport, which is 13 miles from Kaua‘i. Based on weather reports collected during 1992–2021. Annual precip. Need some help?

  8. Kauai County Courthouse, HI Monthly Weather | AccuWeather

    Get the monthly weather forecast for Kauai County Courthouse, HI, including daily high/low, historical averages, to help you plan ahead.

  9. Weather in Kauai County during September | Travelscoop

    How warm is it in Kauai County during September? September is typically the hottest month in Kauai County. The temperature hits about 27℃ during the day, falling away to a balmy 25℃ at …

  10. September Temperatures in Hawaii - Current Results

    Typical temperatures for cities, towns, parks and beaches across the Hawaiian Islands during the month of September are listed below in degrees Fahrenheit and Celsius. You'll find separate …