Highlands Region Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Highlands Region, Papua New Guinea in September.

🔎
Mount Hagen Goroka Misima Island

Thinking about venturing to Highlands Region, Papua New Guinea this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Highlands Region in September

Highlands Region, Papua New Guinea is a region in Papua New Guinea. September in Highlands Region generally has warm temperatures, with heavy precipitation.

Temperatures

The average maximum temperatures are warm and range from 22°C (72°F) in Mount Hagen to 28°C (82°F) in Misima Island. Nighttime temperatures generally drop to 25°C (77°F) in Misima Island and 12°C (54°F) in Mount Hagen.

For specific regional insights in Highlands Region, Papua New Guinea, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Misima Island with an average of 181 mm (7.1 in) to heavy rainfall in Mount Hagen with 299 mm (12 in).

Explore Highlands Region by month

Pick a month to see the average temperature, rainfall and sunshine in Highlands Region — and find the best time to visit. (based on Mount Hagen)

January23°C (73°F) February23°C (73°F) March23°C (73°F) April23°C (73°F) May23°C (73°F) June22°C (72°F) This monthJuly22°C (72°F) August22°C (72°F) September22°C (72°F) October22°C (72°F) November23°C (73°F) December23°C (73°F)
Best Time to Visit Highlands Region →

Best Places to Visit in Highlands Region in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Highlands Region.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Highlands Region

What is the weather like in September for some of the most popular destinations in Highlands Region, Papua New Guinea?

Temperature range in Highlands Region (September)

Precipitation variation in Highlands Region (September)

Mount Hagen

In September Mount Hagen generally has high temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 12°C (54°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« August
September
October »
August
September
October
Max temperature
22°C (72°F)
22°C (72°F)
22°C (72°F)
Min temperature
13°C (55°F)
12°C (54°F)
13°C (55°F)
Monthly rainfall
253 mm (10 in)
299 mm (12 in)
358 mm (14 in)
Monthly rainy days
22 days
22 days
22 days
Weather conditions
unpleasant
poor
poor
Climate in Mount Hagen →

Goroka

In September Goroka generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 14°C (57°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
23°C (73°F)
24°C (75°F)
24°C (75°F)
Min temperature
14°C (57°F)
14°C (57°F)
14°C (57°F)
Monthly rainfall
161 mm (6.3 in)
183 mm (7.2 in)
221 mm (8.7 in)
Monthly rainy days
19 days
20 days
21 days
Weather conditions
pleasant
tolerable
unpleasant
Climate in Goroka →

Misima Island

In September Misima Island generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
25°C (77°F)
25°C (77°F)
26°C (79°F)
Monthly rainfall
160 mm (6.3 in)
181 mm (7.1 in)
180 mm (7.1 in)
Monthly rainy days
16 days
16 days
17 days
Weather conditions
pleasant
tolerable
pleasant
Climate in Misima Island →

Is your destination not in the list? Have a look at all destinations in Highlands Region, in Papua New Guinea.

In our records: Papua New Guinea September extremes

Notable September records observed across cities in Papua New Guinea in our climate database (1988 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the coldest September daytime high in Papua New Guinea was 17°C (63°F) in Goroka on September 22, 2025.

Popular cities in September

Day & night temperatures, rainfall and average weather in Highlands Region in September.

City Weather Day temp Night temp Rainfall
Mount Hagen 22°C (72°F) 12°C (54°F) 299 mm (12 in)
Goroka 24°C (75°F) 14°C (57°F) 183 mm (7.2 in)
Misima Island 28°C (82°F) 25°C (77°F) 181 mm (7.1 in)

Highlands Region weather in September: frequently asked questions

What is the weather like in Highlands Region, Papua New Guinea in September?

In September, Highlands Region, Papua New Guinea generally has poor weather conditions. Mount Hagen sees daytime temperatures near 22°C (72°F), with nights cooling to roughly 12°C (54°F).

What is the average temperature in Highlands Region, Papua New Guinea in September?

In Mount Hagen, the average daytime high in September is 22°C (72°F), while nighttime temperatures drop to around 12°C (54°F).

Does Highlands Region, Papua New Guinea get a lot of rain in September?

Rainfall in Highlands Region, Papua New Guinea peaks during September. Mount Hagen averages roughly 299 mm (12 in), so frequent and sometimes heavy showers are the norm.

Is September a Good Time to Visit Highlands Region, Papua New Guinea?

Given the typically poor weather conditions in Mount Hagen, September may not be the ideal time to visit Highlands Region, Papua New Guinea.

Generally speaking, the best visiting conditions can be found in June, July and August offering mostly unpleasant weather in Mount Hagen.

Interested in more climate information?

We have much more information about the climate in Highlands Region.

Weather and climate has detailed information for every country in the world. Are you going to Papua New Guinea? Get detailed historical weather averages for many cities in Papua New Guinea.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.