September weather forecast
Lake Kutubu, Papua New Guinea

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Weather in September

Entering the traditional spring month, September brings an increase in rainfall to 268mm (10.55") at Lake Kutubu, thereby superseding August. The inclement conditions, however, do not change the temperature, maintaining a steady atmosphere. Days start with heavy clouds dispersing toward the afternoon, providing at least five and a half hours of sunshine. Winds at around 3.6km (2.2mi) per hour contribute to the cloud dispersal, improving sunlight hours and ensuring a reasonable visibility range. Bearing in mind the increasing daylight hours and ongoing rainfall, the weather remains suitable for diverse outdoor ventures.

Temperature

September's arrival in Lake Kutubu, Papua New Guinea, brings an average high-temperature of a still comfortable 19.1°C (66.4°F), demonstrating subtle variation from the preceding month. Throughout September nights, Lake Kutubu registers an average low-temperature of 11.9°C (53.4°F).

Humidity

The average relative humidity in September is 93%.

Rainfall

In Lake Kutubu, in September, during 29 rainfall days, 268mm (10.55") of precipitation is typically accumulated. In Lake Kutubu, during the entire year, the rain falls for 359.3 days and collects up to 4002mm (157.56") of precipitation.

Daylight

In September, the average length of the day is 12h and 4min.
On the first day of September in Lake Kutubu, sunrise is at 06:26 and sunset at 18:26. On the last day of the month, sunrise is at 06:11 and sunset at 18:21 +10.

Sunshine

In Lake Kutubu, the average sunshine in September is 5.5h.

UV index

January through July, September through December, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In September, an average UV index of 4 transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What are September temperatures in Lake Kutubu?

In Lake Kutubu, in September, the average high-temperature is 19.1°C (66.4°F), and the average low-temperature is 11.9°C (53.4°F).

What is the average humidity in September in Lake Kutubu?

In Lake Kutubu, Papua New Guinea, the average relative humidity in September is 93%.

How many days does it rain in September in Lake Kutubu?

In Lake Kutubu, in September, during 29 rainfall days, 268mm (10.55") of precipitation is typically accumulated.

What is the average length of the day in September in Lake Kutubu?

The average day length in September is 12h and 4min.

When is the sunrise / sunset in September in Lake Kutubu?

In September, on the first day of the month, sunrise is at 06:26 and sunset at 18:26. On the last day of the month, in Lake Kutubu, sunrise is at 06:11 and sunset at 18:21 +10.

How long on average sun shines in September in Lake Kutubu?

In Lake Kutubu, Papua New Guinea, the average sunshine duration in September is 5.5h.

When is the highest UV index in Lake Kutubu?

The months with the highest UV index in Lake Kutubu, Papua New Guinea, are January through July, September through December, with an average maximum UV index of 4.

What is the UV index intensity in September in Lake Kutubu?

In Lake Kutubu, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

Average temperature in September
Lake Kutubu, Papua New Guinea

Average temperature in September - Lake Kutubu, Papua New Guinea
  • Average high temperature in September: 19.1°C

The warmest months (with the highest average high temperature) are May and December (19.9°C).
The month with the lowest average high temperature is July (18.5°C).

  • Average low temperature in September: 11.9°C

The month with the highest average low temperature is April (12.8°C).
The coldest month (with the lowest average low temperature) is August (11.5°C).

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Average pressure in September
Lake Kutubu, Papua New Guinea

Average pressure in September - Lake Kutubu, Papua New Guinea
  • Average pressure in September: 1012.8mbar

The month with the highest atmospheric pressure is August (1013.1mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).

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Average wind speed in September
Lake Kutubu, Papua New Guinea

Average wind speed in September - Lake Kutubu, Papua New Guinea
  • Average wind speed in September: 3.6km/h

The windiest months (with the highest average wind speed) are January and February (3.8km/h).
The calmest month (with the lowest average wind speed) is May (3.2km/h).

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Average humidity in September
Lake Kutubu, Papua New Guinea

Average humidity in September - Lake Kutubu, Papua New Guinea
  • Average humidity in September: 93%

The months with the highest relative humidity are April and June (94%).
The months with the lowest relative humidity are January, February and December (92%).

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Average rainfall in September
Lake Kutubu, Papua New Guinea

Average rainfall in September - Lake Kutubu, Papua New Guinea
  • Average rainfall in September: 268mm

The wettest month (with the highest rainfall) is March (417mm).
The driest month (with the least rainfall) is July (210mm).

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Average rainfall days in September
Lake Kutubu, Papua New Guinea

Average rainfall days in September - Lake Kutubu, Papua New Guinea
  • Average rainfall days in September: 29 days

The months with the highest number of rainy days are January and March (31 days).
The month with the least rainy days is February (28.2 days).

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Average daylight in September /
Average sunshine in September
Lake Kutubu, Papua New Guinea

Average daylight in September / Average sunshine in September - Lake Kutubu, Papua New Guinea
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in September: 5h and 3min

The month with the most sunshine is November (Average sunshine: 6h and 54min).
The months with the least sunshine are July and August (Average sunshine: 5h and 12min).

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Average sunshine days in September
Lake Kutubu, Papua New Guinea

Average sunshine days in September - Lake Kutubu, Papua New Guinea
  • Average sunshine days in September: 0.5 days

The month with the most sunshine days is August (0.8 days).
The months with the least sunshine days are January, February and March (0 days).

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Average UV index in September
Lake Kutubu, Papua New Guinea

Average UV index in September - Lake Kutubu, Papua New Guinea
  • Average UV index in September: 4

The months with the highest UV index are January, February, March, April, May, June, July, September, October, November and December (UV index 4).
The month with the lowest UV index is August (UV index 3).

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Average cloud cover in September
Lake Kutubu, Papua New Guinea

Average cloud cover in September - Lake Kutubu, Papua New Guinea
  • Average cloud cover in September: 73

The month with the most cloud cover is July (Cloud cover 76).
The month with the least cloud cover is January (Cloud cover 66).

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Average visibility in September
Lake Kutubu, Papua New Guinea

Average visibility in September - Lake Kutubu, Papua New Guinea
  • Average visibility in September: 5km

The months with the highest visibility are January, February, March, April, May, June, October, November and December (6km).
The months with the lowest visibility are July, August and September (5km).

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Lake Kutubu, Papua New Guinea

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