September is a slightly cold and dry time for sunbathing in Botany Bay. September is a good month for swimming in Botany Bay with warm sea temperatures. Consider visiting Botany Bay in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for September.
The average maximum temperature in Botany Bay in September is 19°. The average maximum temperature is 21° in the previous month and 16° in the next month.
The average temperature in Botany Bay in September is 16°. The average temperature ranges is 18° in the previous month and 13° in the next month.
The average minimum temperature in Botany Bay in September is 14°. The minimum temperature is 15° in the previous month and 11° in the next month.
The average day light hours per day in Botany Bay in September are 12.7 and there are 5.3 hours of sunshine per day on average during September making it a sunny month that is overcast at times.
The ultraviolet index in Botany Bay in September is typically 4.1 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.
The average sea water temperature in Botany Bay in September is 21.7° which is comfortable for swimming though some may prefer warmer water.
The average total rainfall in Botany Bay in September is 0.6cm and on average there are 7.8 rainy days in September making it a dry time to visit the beach.
The maximum dew point (an indicator of humidity) in Botany Bay in September is 14° which is comfortable for everyone. The dew point is 15° in the previous month and 12° in the next month.
The average maximum relative humidity in Botany Bay in September is typically 90.9%. The maximum relative humidity is 90.4% in the previous month and 94.1% in the next month.
The average relative humidity in Botany Bay in September is typically 74.7%. The average relative humidity is 71.2% in the previous month and 81.4% in the next month.
The average maximum wind speed in Botany Bay in September is typically 27kmh. The average maximum wind speed is 28kmh in the previous month and 29kmh in the next month.
The average wind speed in Botany Bay in September is typically 18kmh. The average wind speed is 18kmh in the previous month and 19kmh in the next month.
The average wind direction in Botany Bay in September is from the West.
