September weather forecast
Balapitiya, Sri Lanka

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Balapitiya, 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

Balapitiya's lowest average temperatures are recorded in August and September, reaching a high of 28.3°C (82.9°F).

Heat index

During September, the heat index is calculated to be a hot 33°C (91.4°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', arises from combining readings of air temperature and relative moisture content. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.

Humidity

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

Rainfall

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

Daylight

In Balapitiya, the average length of the day in September is 12h and 10min.
On the first day of the month, sunrise is at 06:02 and sunset at 18:16. On the last day of September, in Balapitiya, Sri Lanka, sunrise is at 05:57 and sunset at 18:01 +0530.

Sunshine

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

UV index

May and September, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What time of the year is the coldest in Balapitiya?

Balapitiya sees its lowest temperatures during August and September, with an average high-temperature of 28.3°C (82.9°F).

Is it hot in Balapitiya during September?

The average high-temperature and low-temperature in Balapitiya, Sri Lanka, during September are 28.3°C (82.9°F) and 25.8°C (78.4°F) respectively. The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in September is calculated to be 33°C (91.4°F).

What are the most humid months in Balapitiya?

June and September, with an average relative humidity of 82%, are most humid months in Balapitiya, Sri Lanka.

What is the average humidity in September in Balapitiya?

The average relative humidity in September is 82%.

How much does it rain in Balapitiya in September?

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

How many hours of daylight does Balapitiya have in September?

In September, the average day length in Balapitiya, Sri Lanka, is 12h and 10min.

When is the sunrise / sunset in September in Balapitiya?

On the first day of September, sunrise is at 06:02 and sunset at 18:16. On the last day of the month, sunrise is at 05:57 and sunset at 18:01 +0530.

How many hours of sunshine does Balapitiya have in September?

In September, the average sunshine duration is 8.5h.

What are the months with the lowest UV index in Balapitiya?

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

What is the UV index intensity in September in Balapitiya?

The average daily maximum UV index in September in Balapitiya, Sri Lanka, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.

Average temperature in September
Balapitiya, Sri Lanka

Average temperature in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average pressure in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average wind speed in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average humidity in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average rainfall in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average rainfall days in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average daylight in September / Average sunshine in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average sunshine days in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average UV index in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average cloud cover in September - Balapitiya, 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
Balapitiya, Sri Lanka

Average visibility in September - Balapitiya, 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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Balapitiya, Sri Lanka

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