Hawai weather in September
Day
30 °C
Night
21 °C
Sea
27 °C
Precipitation
78 mm
in month
Rainy days
11 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
72 %
Weather charts for Hawai
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Weather overview and FAQs
Weather overview
In September in Hawai, the average air temperature ranges from 29.6 °C (85.4 °F) during the day to 21.5 °C (70.6 °F) at night. There are 11 days of rain on average, where the rainfall is 78 mm (3.08 in).
What is the sea temperature in September in Hawai?
In September in Hawai expect the sea to be warm at 26.7 °C (80.0 °F). Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.
What temperature can I expect during the day in Hawai in September?
In Hawai in September, the average daily temperatures will be 29.6 °C (85.4 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
How many days of precipitation on average can I expect in September in Hawai?
In September in Hawai, we can expect 11 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.6 days of the week, or in general - 37 % days.
What is the night temperature in Hawai in September?
The average night temperature in Hawai in September is 21.5 °C (70.6 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
How many hours of sun to expect in September in Hawai?
In Hawai in September, you can expect around 8 hours of sunshine.
What is the rainfall intensity in Hawai in September?
There is precipitation of 78 mm (3.08 in) in September in Hawai, which means 3 mm (0.10 in) rainfall per day on average.
How long is the day (from dawn till dusk) in Hawai in September?
The length of daylight in Hawai in September is 12 hours.
Is there a wet season in Hawai in September?
No, there is no wet season in September in Hawai - you can expect 11 days of rain during the month.
How windy is Hawai in September?
An average wind scale that can be expected in Hawai in September is 5.0.
Is it hot in Hawai in September?
In September in Hawai, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the humidity in Hawai in September?
Humidity in Hawai in September is 72 %.
