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
In September, the average high-temperature registers at a still moderately hot 28.7°C (83.7°F), nearly identical to August's 28.6°C (83.5°F). Throughout September, Lamassa's nights experience a slight temperature dip to a still moderately hot 25.1°C (77.2°F).Heat index
Throughout September, the heat index is calculated to be a tropical 34°C (93.2°F). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Consider that heat index readings are for situations in the shade and light wind. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
Humidity
In September, the average relative humidity is 79%.Rainfall
September is the month with the least rainfall in Lamassa. Rain falls for 24.4 days and accumulates 109mm (4.29") of precipitation.Daylight
In Lamassa, the average length of the day in September is 12h and 5min.On the first day of September, sunrise is at 05:48 and sunset at 17:49. On the last day of the month, sunrise is at 05:34 and sunset at 17:43 +10.
Sunshine
In Lamassa, Papua New Guinea, the average sunshine in September is 8.6h.UV index
The months with the highest UV index in Lamassa are January through March, May through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 7 transforms into the following instructions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Lamassa?
What is the average humidity in September in Lamassa?
What is the driest month in Lamassa?
How much does it rain in Lamassa in September?
What is the average length of the day in September in Lamassa?
When is the sunrise / sunset in September in Lamassa?
How long on average sun shines in September in Lamassa?
What are the months with the highest UV index in Lamassa?
What is the UV index reading in September in Lamassa?
Average temperature in September
Lamassa, 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
Lamassa, 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
Lamassa, 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
Lamassa, 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
Lamassa, 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
Lamassa, 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
Lamassa, 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
Lamassa, 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
Lamassa, 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
Lamassa, 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
Lamassa, 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).
