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Wewak in September 2026: weather, temperatures and activities

Do you want to visit Wewak in September 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether September is a good month to travel to Wewak, Papua New Guinea.

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Is it worth visiting Wewak in September?

Check your ideal travel criteria and see if the month of September suits your plans to go to Wewak.
What matters most?
Wewak in September 2026: weather, temperatures and activities

Page summary

Wewak in September in summary
Fair weather
Min 26°C Max 30°C 319 mm 17 day(s) 86% 40% 30°C UV 6 10.5 h/day
Best activities in September
Beach and swimmingAnimal observationDiving and snorkelingNature and landscapesBoat trip and cruise
Practical guidelines
High crowding 06:18 18:23
Hourly weather

Average weather in Wewak in September 2026

Fair weather

The weather in Wewak in September 2026 is based on statistical data from previous years in September. This allows you to forecast the weather in September 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Wewak in September

Temperatures, precipitation and monthly trends help to better understand the climate in Wewak in September.

Temperatures and rain in Wewak in September

Average daily weather

Temperatures and rain day by day in September.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of September is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Wewak in September

Seasonal normals

Seasonal normals of Wewak in September

Check the seasonal normals in Wewak in September and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
September
Weather data August September October
Outside temperature
Average temperature 27.6°C 27.7°C 27.6°C
Maximum temperature 29.8°C 29.9°C 30.0°C
Minimum temperature 25.4°C 25.5°C 25.2°C
Record maximum temperature 32.0°C
(2009)
32.0°C
(2009)
33.0°C
(2017)
Record low temperature 22.0°C
(2020)
22.0°C
(2009)
21.0°C
(2009)
Number of days at +30° 20 day(s)
(65%)
20 day(s)
(67%)
22 day(s)
(71%)
Number of days at +18° 31 day(s)
(100%)
30 day(s)
(100%)
31 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 28.7°C 29.0°C 29.7°C
Sea temperature (minimum) 28.1°C 28.3°C 28.5°C
Sea temperature (maximum) 29.4°C 30.0°C 30.7°C
Wind
Wind speed 14 km/h 13 km/h 13 km/h
Wind temperature 25.5°C 25.5°C 25.2°C
Precipitation (rain)
Precipitation 273.0 mm 319.4 mm 313.2 mm
Number of days with precipitation 29 day(s)
(94%)
28 day(s)
(93%)
28 day(s)
(90%)
Number of days with significant precipitation (greater than 5 mm) 16 day(s)
(52%)
17 day(s)
(56%)
18 day(s)
(57%)
Record precipitation in one day 74.6 mm
(2020)
129.3 mm
(2016)
77.3 mm
(2020)
Other weather data
Humidity 87% 86% 85%
Visibility 9.1 km 9.1 km 9.1 km
Cloud cover 37% 40% 37%
UV index 6 6 6
Daily sunshine 11h 10h 11h
Sunrise and sunset
Sunrise time 06h30 06h18 06h06
Sunset time 18h30 18h23 18h17
Day length 12h00 12h05 12h11
Our opinion on the climate in September
The review of Where And When fair weather fair weather fair weather
Activities and events

What to do in Wewak in September?

Best activities in September
Beach and swimmingAnimal observationDiving and snorkelingNature and landscapesBoat trip and cruise
Observed weather

What was the weather like in Wewak in September last?

Find the observed weather calendar in Wewak in September 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Light rain shower
25°C27°C4.9 mm
2
Patchy rain nearby
24°C29°C1.3 mm
3
Patchy rain nearby
25°C29°C3.8 mm
4
Patchy rain nearby
25°C29°C2.6 mm
5
Patchy rain nearby
25°C29°C3.9 mm
6
Patchy rain nearby
25°C29°C5.6 mm
7
Patchy rain nearby
25°C29°C6.0 mm
8
Light rain shower
25°C27°C7.2 mm
9
Clear/Sunny
24°C29°C1.0 mm
10
Patchy rain nearby
25°C30°C4.0 mm
11
Partly Cloudy
26°C28°C3.4 mm
12
Patchy rain nearby
26°C29°C7.4 mm
13
Patchy rain nearby
25°C29°C1.9 mm
14
Patchy rain nearby
25°C29°C1.5 mm
15
Patchy rain nearby
26°C29°C0.6 mm
16
Clear/Sunny
25°C30°C1.7 mm
17
Patchy rain nearby
25°C29°C3.9 mm
18
Patchy rain nearby
25°C29°C5.7 mm
19
Patchy rain nearby
25°C29°C4.2 mm
20
Light rain shower
26°C28°C2.4 mm
21
Patchy rain nearby
25°C28°C5.5 mm
22
Patchy rain nearby
24°C30°C0.3 mm
23
Partly Cloudy
24°C27°C0.5 mm
24
Patchy rain nearby
25°C29°C2.7 mm
25
Patchy rain nearby
25°C29°C1.6 mm
26
Patchy rain nearby
26°C30°C2.0 mm
27
Clear/Sunny
25°C29°C0.8 mm
28
Clear/Sunny
25°C30°C0.0 mm
29
Patchy rain nearby
25°C30°C0.8 mm
30
Patchy rain nearby
26°C29°C7.1 mm
Nearby

Where to go near Wewak in September?

Compare cities and destinations near Wewak in September to find another travel stop, a nearby alternative or a logical continuation of your stay in Wewak.

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Every month

Best time to visit Wewak month by month

Compare the weather in Wewak across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Wewak in September: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

It's an average period, nothing special. Conditions are mediocre in Wewak in September, which ranks this month 3th out of 12. The choice of region will make a real difference.

Expect an average of 30°C during the day and 26°C at night, with about 319 mm of precipitation spread over 17 rainy days.

Yes: the sea is 29°C on average in September, a pleasant temperature for swimming.

Expect about 10.5 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Animal observation, Diving and snorkeling and Nature and landscapes. These are the ones for which the conditions on site are most favourable.

Visitor numbers are moderate: this month is in High crowding, with an index of 65/100. It is often a good compromise between weather and tranquility.
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