Weather in Roberton Island, Bay of Islands, New Zealand in September

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Visiting Roberton Island, Bay of Islands, New Zealand in September

The weather in September is marginally warmer than the previous month and temperatures continue to rise slightly into October. September has average maximum temperatures of 16°C (61°F) which is a little too chilly for sunbathing. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day. It is not a good time for sunbathing in Roberton Island.

Sea temperatures are a cold 16°C (60°F). September is too cold for swimming in Roberton Island for any length of time, unless you have a wetsuit. The sea temperature in September is marginally warmer than the previous month and temperatures continue to rise slightly into October.

As spring begins in September, the weather at Roberton Island starts to improve. Swimming and sunbathing may become more appealing as the temperature rises, while snorkeling and diving conditions remain good. Surfing, windsurfing, and kitesurfing can be enjoyed, but the winds may still be less predictable. Consider visiting Roberton Island in the months of January, February, March, December, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Roberton Island in September?

No, September is not a good time for sunbathing in Roberton Island.

September has average maximum temperatures of 16°C (61°F) which is a little too chilly for sunbathing. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day.

More about September temperature and sunshine.

Can you swim in Roberton Island in September?

No, September is too cold for swimming in Roberton Island for any length of time, with the sea water at 16°C (60°F), unless you have a wetsuit.

More about September sea temperatures.

Is September a good time to holiday in Roberton Island?

Probably not, September is not a good time for a holiday in Roberton Island.

September has average maximum temperatures of 16°C (61°F) which is a little too chilly for sunbathing. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day. It is not a good time for sunbathing in Roberton Island. Sea temperatures are a cold 16°C (60°F). September is too cold for swimming in Roberton Island for any length of time, unless you have a wetsuit.

More about the September temperatures and sunshine.

Is Roberton Island warm in September?

No, Roberton Island is a little too chilly for sunbathing in September.

The average maximum temperature in Roberton Island in September is 16°C (61°F). The average maximum temperature is 15°C (59°) in the previous month and 17°C (63°F) in the next month.

The average temperature in Roberton Island in September is 13°C (55°F). The average temperature is 12°C (53°F) in the previous month and 14°C (57°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Roberton Island in September?

The average day light hours per day in Roberton Island in September are 11.9. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day.

More about September sunshine.

Crowds in Roberton Island in September

September marks the beginning of spring in New Zealand, and the weather starts to warm up. The beach at Roberton Island may see a slight increase in visitors compared to the winter months, but it is still not crowded. There are no public holidays or special events in September, making it a relatively peaceful time to visit the beach.

Temperature in Roberton Island in September

The weather in September is marginally warmer than the previous month and temperatures continue to rise slightly into October. The average maximum temperature in Roberton Island in September is 16°C (61°F). The average maximum temperature is 15°C (59°F) in the previous month and 17°C (63°F) in the next month.

The average temperature in Roberton Island in September is 13°C (55°F). The average temperature is 12°C (53°F) in the previous month and 14°C (57°F) in the next month.

The average minimum temperature in Roberton Island in September is 10°C (50°F). The minimum temperature is 9°C (48°F) in the previous month and 11°C (53°F) in the next month.

Sunshine in Roberton Island in September

The days in September are much longer than the previous month and the days continue to get a bit longer into October. September has marginally more hours of sunshine than the previous month and hours of sunshine continue to rise slightly into October. During September the average day light hours are 11.9 per day in Roberton Island. The sunshine percentage is 46% making it quite sunny but with regular periods of cloudy and overcast skies. There are 5.5 hours of sunshine per day.

The ultraviolet index in Roberton Island in September is typically 6.2 during September. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Roberton Island in September

The average sea water temperature in Roberton Island in September is 15.5°C (59.9°F) which is cold for swimming, a full wet suit is required to spend any length of time in the sea. The sea temperature in September is marginally warmer than the previous month and temperatures continue to rise slightly into October.

Humidity in Roberton Island in September

The maximum dew point (an indicator of humidity) in Roberton Island in September is 12°C (53°F) which is very comfortable. The dew point is 11°C (51°F) in the previous month and 13°C (13°F) in the next month.

The average maximum relative humidity in Roberton Island in September is typically 94.8%. The maximum relative humidity is 95.3% in the previous month and 93% in the next month.

The average relative humidity in Roberton Island in September is typically 81.5%. The average relative humidity is 83.6% in the previous month and 78.9% in the next month.

Wind Speed in Roberton Island in September

The average maximum wind speed in Roberton Island in September is typically 31KM/H (19MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 34KM/H (21MPH) in the next month.

The average wind speed in Roberton Island in September is typically 17KM/H (11MPH). The average wind speed is 15KM/H (9MPH) in the previous month and 19KM/H (12MPH) in the next month.

The average wind direction in Roberton Island in September is from the West.

Monthly Averages

Suggested Beaches in September

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.