September weather forecast
Divulapitiya, Sri Lanka

Weather in September

September, the first month of the autumn, in Divulapitiya, is also a moderately hot month, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 25.2°C (77.4°F).

Temperature

In Divulapitiya, the average high-temperature in September is relatively the same as in August - a still moderately hot 29.5°C (85.1°F). In September, the average low-temperature is 25.2°C (77.4°F).

Heat index

The average heat index is appraised at a torrid 36.4°C (97.5°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. 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', 'felt air temperature', 'real feel', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is individual, with diverse people perceiving weather differently for numerous reasons (metabolic differences, wind, differences in body mass, height, and shape), and activity. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. If the body can not disperse the excessive heat and body temperature reaches conditions of hyperthermia, above 37.5°C (99.5°F) to 38.3°C (100.9°F), thermal conditions are potentially life-threatening.

Humidity

In September, the average relative humidity is 81%.

Rainfall

In Divulapitiya, during September, the rain falls for 24.4 days and regularly aggregates up to 153mm (6.02") of precipitation. Throughout the year, there are 265.4 rainfall days, and 1744mm (68.66") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12.2h.

Sunshine

In September, the average sunshine is 7.7h.

UV index

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Protection against sun damage is needed. 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. 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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FAQ

What is the temperature in September in Divulapitiya?

The average high-temperature, in September, is 29.5°C (85.1°F), while the average low-temperature is 25.2°C (77.4°F). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 36.4°C (97.5°F).

What is the average humidity in September in Divulapitiya?

The average relative humidity in September in Divulapitiya, Sri Lanka, is 81%.

How many days does it rain in September in Divulapitiya?

In September, in Divulapitiya, the rain falls for 24.4 days. Throughout September, 153mm (6.02") of precipitation is accumulated.

How many hours of daylight does Divulapitiya have in September?

In Divulapitiya, the average length of the day in September is 12.2h.

How many hours of sunshine does Divulapitiya have in September?

In September, the average sunshine is 7.7h.

When is the highest UV index in Divulapitiya?

January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Divulapitiya.

How high is the UV index in September in Divulapitiya?

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

Average temperature in September
Divulapitiya, Sri Lanka

Average temperature in September - Divulapitiya, Sri Lanka
  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).

  • Average low temperature in September: 25.2°C

The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).

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Average pressure in September
Divulapitiya, Sri Lanka

Average pressure in September - Divulapitiya, Sri Lanka
  • Average pressure in September: 1009.6mbar

The month with the highest atmospheric pressure is January (1011.7mbar).
Months with the lowest atmospheric pressure are May and June (1008.4mbar).

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Average wind speed in September
Divulapitiya, Sri Lanka

Average wind speed in September - Divulapitiya, Sri Lanka
  • Average wind speed in September: 16km/h

The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).

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Average humidity in September
Divulapitiya, Sri Lanka

Average humidity in September - Divulapitiya, Sri Lanka
  • Average humidity in September: 81%

Months with the highest relative humidity are June, July and August (82%).
Months with the lowest relative humidity are January and February (73%).

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Average rainfall in September
Divulapitiya, Sri Lanka

Average rainfall in September - Divulapitiya, Sri Lanka
  • Average rainfall in September: 153mm

The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).

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Average rainfall days in September
Divulapitiya, Sri Lanka

Average rainfall days in September - Divulapitiya, Sri Lanka
  • Average rainfall days in September: 24.4 days

The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).

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

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

Months with the longest days are May, June and July (Average daylight: 12.5h).
The month with the shortest days is December (Average daylight: 11.7h).

  • Average sunshine in September: 7.7h

Months with the most sunshine are January, February, March and April (Average sunshine: 9.2h).
The month with the least sunshine is November (Average sunshine: 6.6h).

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Average sunshine days in September
Divulapitiya, Sri Lanka

Average sunshine days in September - Divulapitiya, Sri Lanka
  • Average sunshine days in September: 3 days

The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).

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Average UV index in September
Divulapitiya, Sri Lanka

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

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

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Average cloud cover in September
Divulapitiya, Sri Lanka

Average cloud cover in September - Divulapitiya, Sri Lanka
  • Average cloud cover in September: 55

The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).

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Average visibility in September
Divulapitiya, Sri Lanka

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

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

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