Weather in Kauai: September
 |
Average day temperature: | 80.2°F |
| Average night temperature: | 76.3°F | |
 |
Sea water temperature: | 80.4°F |
 |
Number of sunny days: | 2 days |
| Day length: | 11.9 - 12.6 hours | |
 |
Number of rainy days: | 0 days |
| Precipitation totals: | 0.5 in. | |
| more information | ||
forecast
| Kauai |
temperature
| Kauai |
Air temperature in September, °F
The highest day temperature during September of 2024 was 83°F. At the same time the lowest night temperature was 73°F. Day and night temperature averages during September were 80.9°F and 74.7°F.
Sea water temperature in Kauai in September, °F
The average sea water temperature in September of 2024 was 79.4°F. The highest and lowest sea temperatures during the month were 79.7°F and 79.2°F.
Mostly all days in September are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in September, in.
Precipitation total value in Kauai in September is 0.5 in. Other months of the year show relatively similar values.
The average wind speed value in September is 10.4 mph
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 5.5.
Best time for vacation in Kauai
Kauai on a weather map
9 mph
11 mph
9 mph
8 mph
7 mph
5 mph
6 mph
6 mph
