September weather forecast
Dombemada, Sri Lanka

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Weather in September

September, the first month of the autumn in Dombemada, is also a hot month, with temperature in the range of an average low of 22.3°C (72.1°F) and an average high of 31.2°C (88.2°F).

Temperature

Entering September, Dombemada's average high-temperature reads a still tropical 31.2°C (88.2°F), indicating a close resemblance to the previous month's climate. September in Dombemada sees the temperature falling to a mean low of 22.3°C (72.1°F).

Heat index

In September, the heat index is computed to be a sweltering 39°C (102.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.
Be advised, the heat index considers values for conditions in shade and with a light breeze. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.

Humidity

The months with the lowest humidity in Dombemada are March and September, with an average relative humidity of 72%.

Rainfall

In Dombemada, in September, it is raining for 15.2 days, with typically 72mm (2.83") of accumulated precipitation. Throughout the year, there are 217.7 rainfall days, and 1165mm (45.87") of precipitation is accumulated.

Daylight

In Dombemada, the average length of the day in September is 12h and 10min.
On the first day of September, sunrise is at 06:00 and sunset at 18:16. On the last day of the month, sunrise is at 05:56 and sunset at 18:00 +0530.

Sunshine

In Dombemada, the average sunshine in September is 10.5h.

UV index

March through September, with an average maximum UV index of 7, are months with the highest UV index in Dombemada, Sri Lanka. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: In September, a daily UV index of 7 turns into the following recommendations:
Incorporate safeguards and honour sun safety principles. Protection from skin and eye damage is obligatory. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

How hot is September in Dombemada?

The high-temperature, in September, in Dombemada, records 31.2°C (88.2°F), while the low-temperature is 22.3°C (72.1°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in September is computed to be 39°C (102.2°F).

What is the least humid month in Dombemada?

March and September, with an average relative humidity of 72%, are the least humid months in Dombemada, Sri Lanka.

What is the average humidity in September in Dombemada?

The average relative humidity in September in Dombemada, Sri Lanka, is 72%.

How many days does it rain in September in Dombemada?

In September, in Dombemada, the rain falls for 15.2 days. Throughout September, 72mm (2.83") of precipitation is accumulated.

How many hours of daylight does Dombemada have in September?

In September, the average day length is 12h and 10min.

When is the sunrise / sunset in September in Dombemada?

In September, on the first day of the month, sunrise is at 06:00 and sunset at 18:16. On the last day of the month, in Dombemada, sunrise is at 05:56 and sunset at 18:00 +0530.

How long on average sun shines in September in Dombemada?

In September, the average sunshine duration in Dombemada is 10.5h.

When is the highest UV index in Dombemada?

The months with the highest UV index are March through September, with an average maximum UV index of 7.

What is the UV index intensity in September in Dombemada?

In September, the average daily maximum UV index in Dombemada is 7. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in September
Dombemada, Sri Lanka

Average temperature in September - Dombemada, Sri Lanka
  • Average high temperature in September: 31.2°C

The warmest month (with the highest average high temperature) is April (32.9°C).
The month with the lowest average high temperature is December (28.6°C).

  • Average low temperature in September: 22.3°C

The month with the highest average low temperature is May (23°C).
The coldest month (with the lowest average low temperature) is February (18.9°C).

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Average pressure in September
Dombemada, Sri Lanka

Average pressure in September - Dombemada, Sri Lanka
  • Average pressure in September: 1009.2mbar

The month with the highest atmospheric pressure is January (1011.9mbar).
The month with the lowest atmospheric pressure is June (1007.9mbar).

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Average wind speed in September
Dombemada, Sri Lanka

Average wind speed in September - Dombemada, Sri Lanka
  • Average wind speed in September: 13.2km/h

The windiest month (with the highest average wind speed) is June (16.5km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).

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Average humidity in September
Dombemada, Sri Lanka

Average humidity in September - Dombemada, Sri Lanka
  • Average humidity in September: 72%

The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are March and September (72%).

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Average rainfall in September
Dombemada, Sri Lanka

Average rainfall in September - Dombemada, Sri Lanka
  • Average rainfall in September: 72mm

The wettest month (with the highest rainfall) is October (267mm).
The driest month (with the least rainfall) is June (29mm).

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Average rainfall days in September
Dombemada, Sri Lanka

Average rainfall days in September - Dombemada, Sri Lanka
  • Average rainfall days in September: 15.2 days

The month with the highest number of rainy days is April (24.7 days).
The month with the least rainy days is February (11.8 days).

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Average daylight in September /
Average sunshine in September
Dombemada, Sri Lanka

Average daylight in September / Average sunshine in September - Dombemada, Sri Lanka
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

  • Average sunshine in September: 10h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in September
Dombemada, Sri Lanka

Average sunshine days in September - Dombemada, Sri Lanka
  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is April (4 days).

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Average UV index in September
Dombemada, Sri Lanka

Average UV index in September - Dombemada, Sri Lanka
  • Average UV index in September: 7

The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).

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Average cloud cover in September
Dombemada, Sri Lanka

Average cloud cover in September - Dombemada, Sri Lanka
  • Average cloud cover in September: 31

The months with the most cloud cover are November and December (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 24).

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Average visibility in September
Dombemada, Sri Lanka

Average visibility in September - Dombemada, Sri Lanka
  • Average visibility in September: 10km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).

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Dombemada, Sri Lanka

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