September weather forecast
Madapathala, Sri Lanka

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Weather in September

The first month of the autumn, September, is still a warm month in Madapathala, Sri Lanka, with temperature in the range of an average low of 25.8°C (78.4°F) and an average high of 28.3°C (82.9°F).

Temperature

Madapathala's lowest temperatures tend to occur in August and September, with an average high-temperature of 28.3°C (82.9°F).

Heat index

In September, the average heat index is evaluated at a hot 33°C (91.4°F). Take more preventive steps, risk of heat exhaustion and heat cramps is elevated. Long activity may culminate in heatstroke.
Keep in mind the heat index values are meant for areas in shade and with light wind. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

The months with the highest humidity are June and September, with an average relative humidity of 82%.

Rainfall

In Madapathala, in September, it is raining for 24.5 days, with typically 222mm (8.74") of accumulated precipitation. In Madapathala, during the entire year, the rain falls for 286.9 days and collects up to 1974mm (77.72") of precipitation.

Daylight

The average length of the day in September in Madapathala is 12h and 9min.
On the first day of September in Madapathala, sunrise is at 06:02 and sunset at 18:15. On the last day of the month, sunrise is at 05:56 and sunset at 18:01 +0530.

Sunshine

In Madapathala, the average sunshine in September is 8.5h.

UV index

May and September, with an average maximum UV index of 6, are months with the lowest UV index in Madapathala. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the average person.
Note: In September, a regular UV index of 6 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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Frequently asked questions

What is the coldest time of year in Madapathala?

Madapathala experiences lowest temperatures, averaging a high-temperature of 28.3°C (82.9°F) during August and September.

Is it hot in Madapathala during September?

In Madapathala, 28.3°C (82.9°F) is the average high-temperature and 25.8°C (78.4°F) is the average low-temperature during September. In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is evaluated at 33°C (91.4°F).

What is the most humid month in Madapathala?

The months with the highest humidity in Madapathala, Sri Lanka, are June and September, with an average relative humidity of 82%.

What is the average humidity in September in Madapathala?

In September, the average relative humidity in Madapathala, Sri Lanka, is 82%.

How much does it rain in Madapathala in September?

In Madapathala, Sri Lanka, in September, it is raining for 24.5 days, with typically 222mm (8.74") of accumulated precipitation.

What is the average length of the day in September in Madapathala?

The average day length in September in Madapathala, Sri Lanka, is 12h and 9min.

What time are sunrise and sunset in September in Madapathala?

In September, on the first day of the month, sunrise is at 06:02 and sunset at 18:15. On the last day of the month, in Madapathala, Sri Lanka, sunrise is at 05:56 and sunset at 18:01 +0530.

How long on average sun shines in September in Madapathala?

In Madapathala, Sri Lanka, the average sunshine duration in September is 8.5h.

What is the month with the lowest UV index in Madapathala?

The months with the lowest UV index in Madapathala, Sri Lanka, are May and September, with an average maximum UV index of 6.

What is the UV index intensity in September in Madapathala?

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in September
Madapathala, Sri Lanka

Average temperature in September - Madapathala, Sri Lanka
  • Average high temperature in September: 28.3°C

The warmest months (with the highest average high temperature) are March and April (30.3°C).
The months with the lowest average high temperature are August and September (28.3°C).

  • Average low temperature in September: 25.8°C

The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (24°C).

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Average pressure in September
Madapathala, Sri Lanka

Average pressure in September - Madapathala, Sri Lanka
  • Average pressure in September: 1010.2mbar

The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).

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Average wind speed in September
Madapathala, Sri Lanka

Average wind speed in September - Madapathala, Sri Lanka
  • Average wind speed in September: 17.3km/h

The windiest month (with the highest average wind speed) is June (20.2km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).

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Average humidity in September
Madapathala, Sri Lanka

Average humidity in September - Madapathala, Sri Lanka
  • Average humidity in September: 82%

The months with the highest relative humidity are June and September (82%).
The months with the lowest relative humidity are February and March (77%).

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Average rainfall in September
Madapathala, Sri Lanka

Average rainfall in September - Madapathala, Sri Lanka
  • Average rainfall in September: 222mm

The wettest month (with the highest rainfall) is May (302mm).
The driest month (with the least rainfall) is January (38mm).

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Average rainfall days in September
Madapathala, Sri Lanka

Average rainfall days in September - Madapathala, Sri Lanka
  • Average rainfall days in September: 24.5 days

The month with the highest number of rainy days is June (28 days).
The month with the least rainy days is January (14.8 days).

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

Average daylight in September / Average sunshine in September - Madapathala, 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 48min).

  • Average sunshine in September: 8h and 3min

The month with the most sunshine is April (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

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Average sunshine days in September
Madapathala, Sri Lanka

Average sunshine days in September - Madapathala, Sri Lanka
  • Average sunshine days in September: 2.4 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is June (1 days).

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Average UV index in September
Madapathala, Sri Lanka

Average UV index in September - Madapathala, Sri Lanka
  • Average UV index in September: 6

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

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Average cloud cover in September
Madapathala, Sri Lanka

Average cloud cover in September - Madapathala, Sri Lanka
  • Average cloud cover in September: 50

The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 26).

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Average visibility in September
Madapathala, Sri Lanka

Average visibility in September - Madapathala, Sri Lanka
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).

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Madapathala, Sri Lanka

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