Kaneohe
Hawaii, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Kaneohe, HI

September, the first month of the autumn, in Kaneohe, is also a moderately hot month, with average temperature varying between 74.1°F (23.4°C) and 85.8°F (29.9°C).
An excellent water temperature of 80.4°F (26.9°C) makes September a prime for swimming and other water activities.

Temperature

August and September, with an average high-temperature of 85.8°F (29.9°C), are the warmest months in Kaneohe.

Ocean temperature

The month with the warmest seawater in Kaneohe is September, with an average ocean temperature of 80.4°F (26.9°C).
Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

Daylight

In Kaneohe, the average length of the day in September is 12.3h.

What is the warmest month in Kaneohe?

Warmest months in Kaneohe are August and September, with an average high-temperature of 85.8°F (29.9°C).

What is the temperature in September in Kaneohe?

In Kaneohe, in September, the average high-temperature is 85.8°F (29.9°C), and the average low-temperature is 74.1°F (23.4°C).

When is the ocean warmest in Kaneohe?

With an average ocean temperature of 80.4°F (26.9°C), September is the month with the warmest seawater.

How warm is the water in September in Kaneohe?

In Kaneohe, the average seawater temperature in September is 80.4°F (26.9°C). For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods.

What is the average length of the day in September in Kaneohe?

The average length of the day in September is 12.3h.
Average temperature in September - Kaneohe, HI
  • Average high temperature in September: 85.9°F

Warmest months (with the highest average high temperature) are August and September (85.9°F).
The month with the lowest average high temperature is February (79.5°F).

  • Average low temperature in September: 74.1°F

The month with the highest average low temperature is August (74.5°F).
Coldest months (with the lowest average low temperature) are January and February (67.7°F).

Average sea temperature in September - Kaneohe, HI
  • Average sea temperature in September: 80.4°F

The best month for swimming (with the highest average sea temperature) is September (80.4°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

Average daylight in September - Kaneohe, HI
  • Average daylight in September: 12.3h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.8h).