Papua New GuineaThe weather in September in Port Moresby
It's warm in September in Port Moresby with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 30°C. At night, you can expect temperatures between 20°C and 21°C.
Looking for sun? September isn’t a good month to be in Port Moresby. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Port Moresby, Papua New Guinea. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 34°C in 2016, Port Moresby reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 20°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 25°C.
Rainfall amount
In September, there is an average of 182 mm of precipitation, spread over 21 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
Daily weather in September for Port Moresby
Click on any day in September to get detailed info about the usual weather on that day in Port Moresby. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Port Moresby | New York | |
|---|---|---|
| Average temperature | 29°C | 27°C |
| Max. temperature | 30°C | 31°C |
| Min. temperature | 20°C | -5°C |
| Total precipitation | 182 mm | 57 mm |
| Rainy days | 21 days | 9 days |
Start of September
The month of September starts in Port Moresby with hot temps, averaging around 30°C during the day and nights around 21°C.
Mid September
By mid-September, daytime temps drop to around 29°C, with nights around 21°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in Port Moresby is around 30°C, while nighttime temps are about 21°C. There’s a significant chance of many days with precipitation.
Find affordable trips to Port Moresby
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Port Moresby for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Port Moresby, Papua New Guinea. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Port Moresby
Temperature in September in Port Moresby over the years
Precipitation charts
These charts show the average amount of precipitation in September in Port Moresby, Papua New Guinea. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Port Moresby
Total precipitation in September in Port Moresby over the years
Daily UV index in September in Port Moresby
This chart shows the average daily UV index in September in Port Moresby, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Port Moresby
Have you been to Port Moresby in September?
Share your weather experience in September in Port Moresby.
Average weather in Port Moresby by month
Click on a month below to see detailed weather info for Port Moresby. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.