September weather forecast
Bali, Greece

September, the first month of the autumn in Bali, is still a warm month, with an average temperature ranging between max 26°C (78.8°F) and min 18°C (64.4°F).

Temperature

Bali's average high-temperature in September is a still moderately hot 26°C (78.8°F), marking an insignificant difference from the 28°C (82.4°F) of August. Nighttime temperatures in September average to a refreshing 18°C (64.4°F).

Rainfall

In Bali, in September, during 1 rainfall days, 21mm (0.83") of precipitation is typically accumulated. Throughout the year, there are 67 rainfall days, and 701mm (27.6") of precipitation is accumulated.

Sea temperature

In Bali, in September, the average water temperature is 24°C (75.2°F).
Note: Taking into account a person's sensitivity to the cold, given sunshine, wind, and air temperature, swimming in 24°C (75.2°F) might be pleasant. (FYI: The water temperature set for the Olympic swimming event is between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In September, the average length of the day in Bali is 12h and 24min.
On the first day of the month, sunrise is at 06:53 and sunset at 19:47. On the last day of September, in Bali, Greece, sunrise is at 07:15 and sunset at 19:06 EEST.

Sunshine

In September, the average sunshine is 10h.

UV index

In Bali, the average daily maximum UV index in September is 8. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index, 8 in September, converts into the following recommendations:
Take the necessary steps to protect yourself; unprotected skin and eyes are vulnerable to damage. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Warning! The Sun's UV rays intensify with reflections from sand and water.