Sigiriya
Sri Lanka
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Sigiriya, Sri Lanka

The first month of the autumn, September, is still a tropical month in Sigiriya, Sri Lanka, with average temperature varying between 31°C (87.8°F) and 23°C (73.4°F).

Temperature

In September, the average high-temperature remains the same as in August - a still tropical 31°C (87.8°F). The average low-temperature, in September, is 23°C (73.4°F).

Rainfall

In September, the rain falls for 9 days. Throughout September, 99mm (3.9") of precipitation is accumulated. Throughout the year, there are 110 rainfall days, and 1664mm (65.5") of precipitation is accumulated.

Daylight

In September, the average length of the day in Sigiriya, Sri Lanka, is 12.2h.

Sunshine

June, July, September through December, with an average of 6h of sunshine, are months with the least sunshine in Sigiriya.

UV index

Months with the highest UV index in Sigiriya are February through October, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from unsafe exposure to the UV radiation for the average person.
The average daily UV index of 12 in September transform into the following instructions:
Take all necessary precautions, as unprotected skin can burn in 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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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.

What is the temperature in September in Sigiriya?

In Sigiriya, Sri Lanka, in September, the average high-temperature is 31°C (87.8°F), and the average low-temperature is 23°C (73.4°F).

How much does it rain in Sigiriya in September?

In Sigiriya, during September, the rain falls for 9 days and regularly aggregates up to 99mm (3.9") of precipitation.

How many hours of daylight does Sigiriya have in September?

The average length of the day in September is 12.2h.

What is the month with the least sunshine in Sigiriya?

Months with the least sunshine in Sigiriya are June, July, September through December, with an average of 6h of sunshine.

How many hours of sunshine does Sigiriya have in September?

In September, the average sunshine in Sigiriya, Sri Lanka, is 6h.

When is the highest UV index in Sigiriya?

Months with the highest UV index in Sigiriya, Sri Lanka, are February through October, with an average maximum UV index of 12.

What is the UV index intensity in September in Sigiriya?

In Sigiriya, the average daily maximum UV index in September is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Sigiriya, Sri Lanka
  • Average high temperature in September: 31°C

Warmest months (with the highest average high temperature) are March, April and May (32°C).
Months with the lowest average high temperature are January and December (28°C).

  • Average low temperature in September: 23°C

Months with the highest average low temperature are May and June (24°C).
Coldest months (with the lowest average low temperature) are January, February and December (21°C).

Average rainfall in September - Sigiriya, Sri Lanka
  • Average rainfall in September: 99mm

The wettest month (with the highest rainfall) is November (298mm).
The driest month (with the lowest rainfall) is June (55mm).

Average rainfall days in September - Sigiriya, Sri Lanka
  • Average rainfall days in September: 9 days

The month with the highest number of rainy days is November (15 days).
Months with the lowest number of rainy days are January and February (5 days).

Average daylight in September / Average sunshine in September - Sigiriya, Sri Lanka
  • Average daylight in September: 12.2h

The month with the longest days is June (Average daylight: 12.6h).
Months with shortest days are January and December (Average daylight: 11.7h).

  • Average sunshine in September: 6h

The month with most sunshine is March (Average sunshine: 9h).
Months with least sunshine are June, July, September, October, November and December (Average sunshine: 6).

Average UV index in September - Sigiriya, Sri Lanka
  • Average UV index in September: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are January, November and December (UV index 11).