Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
With the onset of September, the average high-temperature registers at a still moderately hot 28°C (82.4°F), subtly different from August's 27.6°C (81.7°F). Throughout September, Boroko witnesses a consistent average low-temperature of 22.7°C (72.9°F).Heat index
September's average heat index is computed to be a hot 32°C (89.6°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
The average relative humidity in September is 78%.Rainfall
In Boroko, in September, during 20 rainfall days, 82mm (3.23") of precipitation is typically accumulated. In Boroko, during the entire year, the rain falls for 249.8 days and collects up to 1311mm (51.61") of precipitation.Daylight
In September, the average length of the day is 12h and 3min.On the first day of the month, sunrise is at 06:13 and sunset at 18:09. On the last day of September, sunrise is at 05:55 and sunset at 18:06 +10.
Sunshine
In Boroko, the average sunshine in September is 9.3h.UV index
The months with the lowest UV index are February, June through September, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 6 in September transforms into the following instructions:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When are sunrise and sunset in September in Boroko?
How long on average sun shines in September?
What are the months with the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
Boroko, Papua New Guinea
- Average high temperature in September: 28°C
The warmest month (with the highest average high temperature) is December (30.2°C).
The months with the lowest average high temperature are July and August (27.6°C).
- Average low temperature in September: 22.7°C
The month with the highest average low temperature is December (24.5°C).
The coldest month (with the lowest average low temperature) is August (22.5°C).
Average pressure in September
Boroko, Papua New Guinea
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is August (1012.1mbar).
The month with the lowest atmospheric pressure is January (1007.9mbar).
Average wind speed in September
Boroko, Papua New Guinea
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is December (9.7km/h).
Average humidity in September
Boroko, Papua New Guinea
- Average humidity in September: 78%
The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall in September
Boroko, Papua New Guinea
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is March (203mm).
The driest month (with the least rainfall) is July (46mm).
Average rainfall days in September
Boroko, Papua New Guinea
- Average rainfall days in September: 20 days
The month with the highest number of rainy days is March (24.6 days).
The month with the least rainy days is July (14.7 days).
Average daylight in September /
Average sunshine in September
Boroko, Papua New Guinea
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is November (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).
Average sunshine days in September
Boroko, Papua New Guinea
- Average sunshine days in September: 7.9 days
The month with the most sunshine days is July (13.4 days).
The months with the least sunshine days are March and April (5.2 days).
Average UV index in September
Boroko, Papua New Guinea
- Average UV index in September: 6
The months with the highest UV index are January, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are February, June, July, August and September (UV index 6).
Average cloud cover in September
Boroko, Papua New Guinea
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is November (Cloud cover 28).
Average visibility in September
Boroko, Papua New Guinea
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
