September weather forecast
Narawala, Sri Lanka

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Weather in September

September, the first month of the autumn in Narawala, is still a warm month, with an average temperature ranging between min 25.8°C (78.4°F) and max 28.3°C (82.9°F).

Temperature

In Narawala, the months of August and September are known for the lowest temperatures, reaching an average high of 28.3°C (82.9°F).

Heat index

The heat index value during September is calculated to be a hot 33°C (91.4°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
It is essential to grasp that the heat index's numbers are for shade and light wind settings. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.

Humidity

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

Rainfall

In September, the rain falls for 24.5 days. Throughout September, 222mm (8.74") of precipitation is accumulated. Throughout the year, in Narawala, there are 286.9 rainfall days, and 1974mm (77.72") of precipitation is accumulated.

Daylight

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

Sunshine

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

UV index

May and September, with an average maximum UV index of 6, are months with the lowest UV index in Narawala. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
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Frequently asked questions

What is the coldest month in Narawala?

Narawala experiences its coldest period in August and September, averaging a high-temperature of 28.3°C (82.9°F).

Is it hot in Narawala during September?

During September, Narawala experiences an average high-temperature of 28.3°C (82.9°F) and a low-temperature of 25.8°C (78.4°F). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 33°C (91.4°F).

What is the most humid month in Narawala?

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

What is the average humidity in September in Narawala?

In Narawala, the average relative humidity in September is 82%.

How much does it rain in Narawala in September?

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

How many hours of daylight does Narawala have in September?

In September, the average day length is 12h and 9min.

When is the sunrise / sunset in September in Narawala?

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, sunrise is at 05:56 and sunset at 18:01 +0530.

How many hours of sunshine does Narawala have in September?

In Narawala, the average sunshine duration in September is 8.5h.

When is the lowest UV index in Narawala?

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

How high is the UV index in September in Narawala?

The average daily maximum UV index in September in Narawala, Sri Lanka, is 6. A UV Index of 6 to 7 symbolizes a high health threat from unprotected exposure to UV radiation.

Average temperature in September
Narawala, Sri Lanka

Average temperature in September - Narawala, 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
Narawala, Sri Lanka

Average pressure in September - Narawala, 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
Narawala, Sri Lanka

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

Average humidity in September - Narawala, 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
Narawala, Sri Lanka

Average rainfall in September - Narawala, 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
Narawala, Sri Lanka

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

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

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

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

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

Average visibility in September - Narawala, 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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Narawala, Sri Lanka

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