Weather in Boundary Bay, Delta, Canada in September

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Visiting Boundary Bay, Delta, Canada in September

September is one of the best months to visit Boundary Bay for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in September is cooler than the previous month and temperatures continue to drop quickly into October. September has average maximum temperatures of 18°C (64°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day.

September has total rainfall of 2.4cm (0.9inches) making it mostly dry but with short lived occasional showers. There are only 14.1 days with some rainfall so you can still enjoy the beach on the majority of days.

Sea temperatures are a cold 14°C (57°F). September is too cold for swimming in Boundary Bay for any length of time, unless you have a wetsuit. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop into October.

As summer transitions into fall, September sees slightly cooler weather and shorter days. However, it is still a good month for swimming, sunbathing, and paddleboarding. The water temperature remains relatively warm, but the conditions are not ideal for snorkeling, diving, surfing, windsurfing, or kitesurfing. Also consider visiting Boundary Bay in one of the other best months of June, July, August, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Boundary Bay in September?

No, September is not a good time for sunbathing in Boundary Bay.

September has average maximum temperatures of 18°C (64°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day. September has total rainfall of 2.4cm (0.9inches) making it mostly dry but with short lived occasional showers. There are only 14.1 days with some rainfall so you can still enjoy the beach on the majority of days.

More about September temperature and sunshine.

Can you swim in Boundary Bay in September?

No, September is too cold for swimming in Boundary Bay for any length of time, with the sea water at 14°C (57°F), unless you have a wetsuit.

More about September sea temperatures.

Is September a good time to holiday in Boundary Bay?

Yes, September is a slightly cool time for a holiday in Boundary Bay.

September has average maximum temperatures of 18°C (64°F) which is not that warm but sunbathing may be possible on some clear days. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day. September has total rainfall of 2.4cm (0.9inches) making it mostly dry but with short lived occasional showers. There are only 14.1 days with some rainfall so you can still enjoy the beach on the majority of days. Sea temperatures are a cold 14°C (57°F). September is too cold for swimming in Boundary Bay for any length of time, unless you have a wetsuit.

More about the September temperatures and sunshine.

Is Boundary Bay warm in September?

No, Boundary Bay is not that warm but sunbathing may be possible on some clear days in September.

The average maximum temperature in Boundary Bay in September is 18°C (64°F). The average maximum temperature is 21°C (69°) in the previous month and 13°C (56°F) in the next month.

The average temperature in Boundary Bay in September is 14°C (57°F). The average temperature is 17°C (62°F) in the previous month and 10°C (51°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Boundary Bay in September?

The average day light hours per day in Boundary Bay in September are 12.6. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day.

More about September sunshine.

Crowds in Boundary Bay in September

As the summer season comes to an end, the beach at Boundary Bay becomes less crowded in September. The Labour Day holiday may still bring some visitors, but overall, the number of people at the beach starts to decrease.

Temperature in Boundary Bay in September

The weather in September is cooler than the previous month and temperatures continue to drop quickly into October. The average maximum temperature in Boundary Bay in September is 18°C (64°F). The average maximum temperature is 21°C (69°F) in the previous month and 13°C (56°F) in the next month.

The average temperature in Boundary Bay in September is 14°C (57°F). The average temperature is 17°C (62°F) in the previous month and 10°C (51°F) in the next month.

The average minimum temperature in Boundary Bay in September is 11°C (52°F). The minimum temperature is 13°C (55°F) in the previous month and 8°C (46°F) in the next month.

Sunshine in Boundary Bay in September

The days in September are shorter than the previous month and days continue to get shorter into October. September has far fewer hours of sunshine than the previous month and hours of sunshine continue to drop markedly into October. During September the average day light hours are 12.6 per day in Boundary Bay. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day.

The ultraviolet index in Boundary Bay in September is typically 5.1 during September. An ultraviolet index reading of 3 to 5 indicates there is a moderate risk of harm from unprotected sun exposure. Keep out of the sun during the strongest hours around midday when unprotected skin risks burning in less than 30 minutes. For the sensitive 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, and after swimming or sweating. Tanning for hours is possible with the right application of sun cream. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Boundary Bay in September

The average sea water temperature in Boundary Bay in September is 14°C (57.2°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 cooler than the previous month and temperatures continue to drop into October.

Rainfall in Boundary Bay in September

September weather is marginally wetter than the previous month and rainfall continues to rise slightly into October. September has a few more days of rain than the previous month and rainy days continue to rise quickly into October. The average total rainfall in Boundary Bay in September is 2.4cm (0.9inches) and on average there are 14.1 rainy days in September making it a pretty wet time to visit the beach.

Humidity in Boundary Bay in September

The maximum dew point (an indicator of humidity) in Boundary Bay in September is 13°C (55°F) which is very comfortable. The dew point is 14°C (58°F) in the previous month and 10°C (10°F) in the next month.

The average maximum relative humidity in Boundary Bay in September is typically 97.8%. The maximum relative humidity is 95.8% in the previous month and 97.6% in the next month.

The average relative humidity in Boundary Bay in September is typically 84%. The average relative humidity is 80% in the previous month and 86.3% in the next month.

Wind Speed in Boundary Bay in September

The average maximum wind speed in Boundary Bay in September is typically 17KM/H (10MPH). The average maximum wind speed is 18KM/H (11MPH) in the previous month and 19KM/H (11MPH) in the next month.

The average wind speed in Boundary Bay in September is typically 6KM/H (4MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 7KM/H (5MPH) in the next month.

The average wind direction in Boundary Bay in September is from the West-Southwest.

Monthly Averages

Suggested Beaches in September

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Need Inspiration?

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