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Lihue, Kauai weather in September 2025
Expect 29°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Lihue, Kauai in September based on long-term weather averages. There is usually 16 days with some rainfall and 54 mm of average monthly rainfall in September.
- 29°C max day temperature
29
- 8 hours of sunshine per day
- 16 days with some rainfall
16
- 23°C min night temperature
23
- 12 hours of daylight per day
12
- High heat & humidity
H
- 54 mm of monthly rainfall
54
- 11 (Extreme) UV index
11
- 27°C sea temperature
27
More about Lihue, Kauai
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Lihue, Kauai by month
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Recommended for Hawaii
The September weather guide for Hawaii (Lihue, Kauai) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Lihue, Kauai in September?
Daytime temperatures usually reach 29°C in Lihue, Kauai in September with high heat and humidity, falling to 23°C at night.
How sunny is it in Lihue, Kauai in September?
There are normally 8 hours of bright sunshine each day in Lihue, Kauai in September - that's 66% of daylight hours.
How warm is the sea around Lihue, Kauai in September?
The average sea temperature around Lihue, Kauai in September is 27°C.
Does it rain in Lihue, Kauai in September?
There are usually 16 days with some rain in Lihue, Kauai in September and the average monthly rainfall is 54mm.
Lihue, Kauai September sunrise & sunset times
Browse the sunrise and sunset times for Lihue, Kauai in September 2025. Select a month to view Lihue, Kauai sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 06:21 | 18:54 |
Monday, 15th September 2025 | 06:24 | 18:40 |
Tuesday, 30th September 2025 | 06:29 | 18:25 |
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