Díli
East Timor
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Díli, East Timor

A scenic view of the mountainous shores in Díli, East Timor, on a calm, sunny day
A scenic view of the mountainous shores in Díli, East Timor, on a calm, sunny day
September, the first month of the spring, in Díli, is still a hot month, with average temperature varying between 20.5°C (68.9°F) and 30.3°C (86.5°F).

Temperature

In September, the average high-temperature is essentially the same as in August - a still tropical 30.3°C (86.5°F). In Díli, in September, the average low-temperature is 20.5°C (68.9°F).

Humidity

In September, the average relative humidity in Díli is 71%.

Rainfall

September is the month with the least rainfall. Rain falls for 1 days and accumulates 9mm (0.4") of precipitation.

Sea temperature

In Díli, the average seawater temperature in September is 28°C (82.4°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

Daylight

The average length of the day in Díli, East Timor, is 12.1h.

Sunshine

September and October, with an average of 9.6h of sunshine, are months with the most sunshine.

UV index

Months with the highest UV index in Díli are January through April, August through December, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme health hazard from unsafe exposure to the UV radiation for ordinary individuals.
The daily maximum UV index of 12 interpret into the following advice:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in September in Díli?

The average high-temperature, in September, in Díli, is 30.3°C (86.5°F), while the average low-temperature is 20.5°C (68.9°F).

What is the average humidity in September in Díli?

In September, the average relative humidity in Díli is 71%.

How many days does it rain in September in Díli?

In Díli, East Timor, in September, during 1 rainfall days, 9mm (0.4") of precipitation is typically accumulated.

What is the driest month in Díli?

The month with the least rainfall in Díli is September when the rain falls for 1 days and typically collects 9mm (0.4") of precipitation.

How warm is the water in September in Díli?

In Díli, the average seawater temperature in September is 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Díli have in September?

In Díli, East Timor, the average length of the day in September is 12.1h.

What is the month with the most sunshine in Díli?

September and October, with an average of 9.6h of sunshine, are months with the most sunshine in Díli.

How long on average sun shines in September in Díli?

In September, the average sunshine in Díli, East Timor, is 9.6h.

What are the months with the highest UV index in Díli?

January through April, August through December, with an average maximum UV index of 12, are months with the highest UV index in Díli, East Timor.

What is the UV index intensity in September in Díli?

The average daily maximum UV index in September in Díli, East Timor, is 12. A UV Index value of 11, and more, symbolizes an extreme health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in September - Díli, East Timor
  • Average high temperature in September: 30.3°C

The warmest month (with the highest average high temperature) is April (31.5°C).
The month with the lowest average high temperature is August (30.1°C).

  • Average low temperature in September: 20.5°C

Months with the highest average low temperature are January and February (24.1°C).
The coldest month (with the lowest average low temperature) is August (20.1°C).

Average humidity in September - Díli, East Timor
  • Average humidity in September: 71%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is August (70%).

Average rainfall in September - Díli, East Timor
  • Average rainfall in September: 9mm

The wettest month (with the highest rainfall) is December (144.9mm).
The driest month (with the lowest rainfall) is September (9mm).

Average rainfall days in September - Díli, East Timor
  • Average rainfall days in September: 1 days

Months with the highest number of rainy days are January and February (13 days).
Months with the lowest number of rainy days are August and September (1 days).

Average sea temperature in September - Díli, East Timor
  • Average sea temperature in September: 28°C

The best month for swimming (with the highest average sea temperature) is December (30.6°C).
The coldest month (with the lowest average sea temperature) is August (27.2°C).

Average daylight in September / Average sunshine in September - Díli, East Timor
  • Average daylight in September: 12.1h

Months with the longest days are January and December (Average daylight: 12.6h).
The month with shortest days is June (Average daylight: 11.6h).

  • Average sunshine in September: 9.6h

Months with most sunshine are September and October (Average sunshine: 9.6h).
The month with least sunshine is February (Average sunshine: 5.8h).

Average UV index in September - Díli, East Timor
  • Average UV index in September: 12

Months with the highest UV index are January, February, March, April, August, September, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 10).