Port Moresby in september: average Weather, Temperature and Climate
Weather in Port Moresby in september 2025
The weather in Port Moresby in september comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 7
Weather at 6am
77°F
Clear/Sunny
43% of time
32%
13%
8%
Weather at 12pm
85°F
Moderate rain at times
43% of time
34%
19%
5%
Weather at 6pm
77°F
Moderate rain at times
45% of time
20%
19%
15%
Weather at 3am
76°F
34%
34%
18%
9%
Evolution of daily average temperature and precipitation in Port Moresby in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Port Moresby in september.
The climate of Port Moresby in september is good
In september in Port Moresby, the climate is wet (with 7.6in of rainfall over 11 days). The situation is deteriorating compared to the previous month since in august there is an average of 5.7in of precipitation over 8 days.
The climate quite enjoyable here this month. Temperatures are up to 85°F. The seasonal minimum is 77°F. Thus, the mean temperature average in september in Port Moresby is 81°F. Note that seasonal normals are in contrast with those observed in Port Moresby in september with a maximum record of 92°F in 2010 and a minimum record of 70°F in 2019. You can hope to have about 9 days with temperatures up to 86°F, or 30 of the month.
In september in Port Moresby, the days on average last 12:03. Sunrise is at 06:05 and sets at 18:08.
With a good climate, the month of september is recommended to go there in Papua New Guinea.
Seasonal average climate and temperature of Port Moresby in september
Check below seasonal norms These datas are compiled from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 81°F | ||||
| Highest temperature | 85°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 92°F (2010) | ||||
| Lowest record temperature | 70°F (2019) | ||||
| Number of days at +86°F | 9 day(s) (30%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Sea temperature | |||||
| Average sea temperature | 79°F | ||||
| Lowest sea temperature | 77°F | ||||
| Highest sea temperature | 81°F | ||||
| Wind | |||||
| Wind speed | 23km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 7.6in | ||||
| Number of days with rainfall | 11 day(s) (37%) | ||||
| Record daily rainfall | 6.1in (2018) | ||||
| Other climate data | |||||
| Humidity | 82% | ||||
| Visibility | 9.34km | ||||
| Cloud cover | 36% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:05 | ||||
| Time of sunset | 18:08 | ||||
| Length of day | 12:03 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Port Moresby in september 2024:
74°F to 85°F
76°F to 83°F
76°F to 86°F
74°F to 85°F
74°F to 85°F
74°F to 86°F
74°F to 85°F
72°F to 85°F
74°F to 83°F
70°F to 85°F
72°F to 83°F
74°F to 83°F
74°F to 83°F
76°F to 83°F
74°F to 85°F
77°F to 79°F
74°F to 77°F
74°F to 86°F
76°F to 85°F
77°F to 86°F
76°F to 85°F
76°F to 86°F
76°F to 85°F
76°F to 86°F
76°F to 85°F
76°F to 85°F
76°F to 85°F
76°F to 85°F
76°F to 86°F
76°F to 86°F
Map: other cities in Papua New Guinea in september
Cities near Port Moresby:
| Popondetta in september | tolerable weather |
| Kerema in september | bad weather |
| Lae in september | tolerable weather |
| Alotau in september | good weather |
| Goroka in september | tolerable weather |
| Daru in september | bad weather |
| Madang in september | tolerable weather |
| Mendi in september | very bad weather |
| Kimbe in september | tolerable weather |
| Wabag in september | very bad weather |
| Kiunga in september | very bad weather |
| Ambunti in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Port Moresby
perfect weather
good
tolerable
bad
very bad
Weather data for Port Moresby in september:
Weather data for Port Moresby for september are derived from an average of the weather forecast since 2009 in Port Moresby. There is a margin of error and these forecasts are to be considered as general information only. The weather in Port Moresby can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Port Moresby.