September weather forecastWeilo, Papua New Guinea
September
Weather in September
September, the first month of the spring in Weilo, is still a warm month, with an average temperature fluctuating between 28.7°C (83.7°F) and 25.1°C (77.2°F).Temperature
Weilo experiences an average high-temperature of a still moderately hot 28.7°C (83.7°F) with the onset of September, subtly varied from August's 28.6°C (83.5°F). Night temperatures during September in Weilo stabilize at an average of 25.1°C (77.2°F), closely mirroring the daytime temperatures.Heat index
The heat index for September is appraised at a hot 34°C (93.2°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. 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 'feels like' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
In Weilo, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 24.4 days and accumulates 109mm (4.29") of precipitation.Daylight
The average length of the day in September in Weilo is 12h and 5min.On the first day of September, sunrise is at 05:46 and sunset at 17:49. On the last day of the month, sunrise is at 05:33 and sunset at 17:42 +10.
Sunshine
In September, the average sunshine 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 of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 7 in September translates into this advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Weilo, 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
Weilo, 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
Weilo, 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
Weilo, 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
Weilo, 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
Weilo, 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
Weilo, Papua New Guinea
- Average daylight in September: 12h and 6min
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 36min
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
Weilo, 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
Weilo, 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
Weilo, 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
Weilo, 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).





