September sees the arrival of spring weather, with warmer temperatures and fewer rain showers. Swimming and sunbathing become more popular during this month, and snorkeling and diving can be enjoyed on calmer days. Surfing, windsurfing, and kitesurfing can be enjoyed by those who are prepared for the occasional rain shower. Also consider one of our other suggestions for September.
As the weather starts to warm up in September, the crowds at Shelly Beach begin to increase. The beginning of spring brings more people to the beach for walks and picnics, but the water is still too cold for most people to swim. There are no major public holidays or events in September.
The average maximum temperature in Shelly Beach in September is 22°. The average maximum temperature is 19° in the previous month and 24° in the next month.
The average temperature in Shelly Beach in September is 17°. The average temperature ranges is 14° in the previous month and 19° in the next month.
The average minimum temperature in Shelly Beach in September is 12°. The minimum temperature is 10° in the previous month and 15° in the next month.
The average day light hours per day in Shelly Beach in September are 11.9 and there are 9.3 hours of sunshine per day on average during September making it a sunny month with few clouds.
The ultraviolet index in Shelly Beach in September is typically 6.7 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.
The average sea water temperature in Shelly Beach in September is 18.2° which is cool for swimming, shorty wetsuit may help you extend your time in the water.
The average total rainfall in Shelly Beach in September is 7.3cm and on average there are 10.6 rainy days in September making it a slightly wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Shelly Beach in September is 12° which is very comfortable. The dew point is 9° in the previous month and 14° in the next month.
The average maximum relative humidity in Shelly Beach in September is typically 83.7%. The maximum relative humidity is 80.8% in the previous month and 85.3% in the next month.
The average relative humidity in Shelly Beach in September is typically 59.4%. The average relative humidity is 58.8% in the previous month and 62.1% in the next month.
The average maximum wind speed in Shelly Beach in September is typically 36kmh. The average maximum wind speed is 34kmh in the previous month and 38kmh in the next month.
The average wind speed in Shelly Beach in September is typically 19kmh. The average wind speed is 19kmh in the previous month and 20kmh in the next month.
The average wind direction in Shelly Beach in September is from the North West.
