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
Ralalar's shift into September sets the average high-temperature at a still warm 28.7°C (83.7°F), a figure that deviates only slightly from August's 28.6°C (83.5°F). In Ralalar, the month of September brings a consistent average low-temperature of 25.1°C (77.2°F), slightly cooler than its daytime highs.Heat index
September's heat index is calculated to be a hot 34°C (93.2°F). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Ralalar, 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
In Ralalar, the average length of the day in September is 12h and 5min.On the first day of September in Ralalar, sunrise is at 05:50 and sunset at 17:52. On the last day of the month, sunrise is at 05:36 and sunset at 17:45 +10.
Sunshine
In Ralalar, the average sunshine in September 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 health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 7 in September translates into this advice:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
How many hours of daylight does Ralalar have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the month with the highest UV index?
How high is the UV index in September in Ralalar?
Average temperature in September
Ralalar, 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
Ralalar, 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
Ralalar, 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
Ralalar, 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
Ralalar, 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
Ralalar, 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
Ralalar, 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
Ralalar, 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
Ralalar, 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
Ralalar, 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
Ralalar, 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).
