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
September's weather displays an average high-temperature of a still warm 28.7°C (83.7°F), slightly varied from August's 28.6°C (83.5°F). Nights in Nonga, Papua New Guinea, during September maintain a steady temperature, averaging at a still moderately hot 25.1°C (77.2°F).Heat index
September's heat index is estimated at a tropical 34°C (93.2°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.The metrics for the heat index are tailored for both shady environments and light winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values are particularly relevant to children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
In Nonga, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall is September, when the rain falls for 24.4 days and typically collects 109mm (4.29") of precipitation.Daylight
The average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 05:50 and sunset at 17:52. On the last day of September, sunrise is at 05:37 and sunset at 17:45 +10.
Sunshine
The average sunshine in September in Nonga is 8.6h.UV index
The months with the highest UV index are January through March, May through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 7 transforms into these recommendations:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Nonga during September?
What is the average humidity in September in Nonga?
What is the driest month in Nonga?
How much does it rain in Nonga in September?
How many hours of daylight does Nonga have in September?
When are sunrise and sunset in September in Nonga?
How long on average sun shines in September in Nonga?
What are the months with the highest UV index in Nonga?
What is the UV index reading in September in Nonga?
Average temperature in September
Nonga, Papua New Guinea
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is May (29.3°C).
The month with the lowest average high temperature is July (28.4°C).
- Average low temperature in September: 25.1°C
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is September (25.1°C).
Average pressure in September
Nonga, Papua New Guinea
- Average pressure in September: 1010mbar
The months with the highest atmospheric pressure are August and September (1010mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in September
Nonga, Papua New Guinea
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is August (13.6km/h).
The calmest month (with the lowest average wind speed) is April (7.5km/h).
Average humidity in September
Nonga, Papua New Guinea
- Average humidity in September: 79%
The month with the highest relative humidity is July (80%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in September
Nonga, Papua New Guinea
- Average rainfall in September: 109mm
The wettest month (with the highest rainfall) is March (226mm).
The driest month (with the least rainfall) is September (109mm).
Average rainfall days in September
Nonga, Papua New Guinea
- Average rainfall days in September: 24.4 days
The month with the highest number of rainy days is March (27.9 days).
The month with the least rainy days is September (24.4 days).
Average daylight in September /
Average sunshine in September
Nonga, Papua New Guinea
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 4min
The months with the most sunshine are January and February (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 6h and 36min).
Average sunshine days in September
Nonga, Papua New Guinea
- Average sunshine days in September: 4.3 days
The month with the most sunshine days is October (4.4 days).
The month with the least sunshine days is April (1.6 days).
Average UV index in September
Nonga, Papua New Guinea
- Average UV index in September: 7
The months with the highest UV index are January, February, March, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is April (UV index 6).
Average cloud cover in September
Nonga, Papua New Guinea
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are May, September, October and November (Cloud cover 36).
Average visibility in September
Nonga, Papua New Guinea
- Average visibility in September: 10km
The months with the highest visibility are February, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, March and April (9km).
