National Capital (Port Moresby)
September
Weather in National Capital for September 2027
Your guide to National Capital weather in September - trends and predictions
In general, the average temperature in National Capital at the beginning of September is 28 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 28.1 °C by the end of September.
The climate of National Capital in September is notably wet, with an average of 12 rainy days, and a total of 100.3 mm of precipitation.
Is September a good time to visit National Capital? check out the best time to travel to National Capital page.
Temperatures
Rain 🌧️
More
18
Dry days
12
Rainy days
0
Snow days
28°/22°
Temperatures
24 km/h
Avg max wind
80 %
Avg humidity
National Capital Weather September
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Temperatures trend during September in National Capital
See the weather trend as well as the moving average line
September weather in National Capital day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 27° /21° | 0 mm | 7 | |
| 2 Sept. |  Light rain | 28° /21° | 7 mm | 8 | |
| 3 Sept. | Patchy rain possible | 28° /22° | 1.7 mm | 8 | |
| 4 Sept. |  Cloudy | 28° /22° | 0.1 mm | 8 | |
| 5 Sept. | Light rain shower | 28° /22° | 0.6 mm | 6 | |
| 6 Sept. | Patchy rain possible | 28° /22° | 0.9 mm | 6 | |
| 7 Sept. | Patchy rain possible | 29° /22° | 2.4 mm | 7 | |
| 8 Sept. |  Sunny | 28° /22° | 0.1 mm | 8 | |
| 9 Sept. | Light rain shower | 29° /22° | 1.6 mm | 8 | |
| 10 Sept. | Light rain | 28° /22° | 4.3 mm | 8 | |
| 11 Sept. | Light rain | 28° /22° | 4.5 mm | 7 | |
| 12 Sept. |  Moderate rain | 28° /22° | 11.6 mm | 8 | |
| 13 Sept. | Light rain | 27° /22° | 4.9 mm | 7 | |
| 14 Sept. | Light rain | 27° /22° | 4.5 mm | 8 | |
| 15 Sept. | Light rain shower | 27° /22° | 1.4 mm | 6 | |
| 16 Sept. | Light rain | 27° /22° | 2.5 mm | 7 | |
| 17 Sept. | Patchy rain possible | 27° /22° | 1 mm | 8 | |
| 18 Sept. | Cloudy | 29° /22° | 0.5 mm | 7 | |
| 19 Sept. | Light rain | 28° /23° | 6.8 mm | 6 | |
| 20 Sept. | Light rain | 28° /22° | 3.1 mm | 7 | |
| 21 Sept. | Moderate rain | 28° /23° | 11.5 mm | 7 | |
| 22 Sept. | Patchy rain possible | 27° /22° | 1.9 mm | 6 | |
| 23 Sept. | Light rain shower | 28° /22° | 1.8 mm | 8 | |
| 24 Sept. | Light rain shower | 28° /23° | 1.5 mm | 8 | |
| 25 Sept. | Light rain shower | 28° /22° | 2.4 mm | 6 | |
| 26 Sept. | Light rain | 28° /23° | 5.2 mm | 7 | |
| 27 Sept. |  Moderate or heavy rain shower | 28° /23° | 6 mm | 8 | |
| 28 Sept. | Light rain | 28° /23° | 8.7 mm | 7 | |
| 29 Sept. | Patchy rain possible | 28° /23° | 0.4 mm | 8 | |
| 30 Sept. | Patchy rain possible | 28° /22° | 1.3 mm | 8 | |
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Important Notice
Our weather forecast for National Capital in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the National Capital forecast closer to your planned date for the most up-to-date weather information.
Change Month
National Capital in September - FAQ
What are the expected maximum and minimum temperatures in National Capital during September?
During September, expect a variety of temperatures with highs around 28° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in National Capital during September?
Significant rainfall exceeding 100.3 mm is expected in National Capital during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in National Capital during September?
The average wind speed in National Capital during September is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in National Capital
Explore the daily rainfall trends and prepare for National Capitals September weather 💧
Typically, National Capital has 12 rainy days in September with a total of 100.3 mm of rainfall.
UV exposure in National Capital during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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