September weather forecastWamena, Indonesia

September

Weather in September

September, the first month of the spring in Wamena, is still a comfortable month, with an average temperature fluctuating between 11.1°C (52°F) and 19.6°C (67.3°F).

Temperature

September registers an average high-temperature of a still comfortable 19.6°C (67.3°F), slightly varied from August's 19.7°C (67.5°F). Nighttime temperatures in Wamena hover around an average low of 11.1°C (52°F) in September.

Humidity

The months with the lowest humidity in Wamena are July through October, with an average relative humidity of 89%.

Rainfall

In Wamena, during September, the rain falls for 29.6 days and regularly aggregates up to 277mm (10.91") of precipitation. Throughout the year, in Wamena, Indonesia, there are 362.5 rainfall days, and 4628mm (182.2") of precipitation is accumulated.

Daylight

In September, the average length of the day in Wamena, Indonesia, is 12h and 5min.
On the first day of September, sunrise is at 05:43 and sunset at 17:45. On the last day of the month, sunrise is at 05:29 and sunset at 17:38 WIT.

Sunshine

In September, the average sunshine in Wamena is 7.1h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 4. January through December, with an average maximum UV index of 4, are months with the lowest UV index in Wamena. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Updated: Feb 19, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Wamena, 19.6°C (67.3°F) is the average high-temperature and 11.1°C (52°F) is the average low-temperature during September.

The months with the lowest humidity in Wamena are July through October, with an average relative humidity of 89%.

The average relative humidity in September is 89%.

In Wamena, in September, during 29.6 rainfall days, 277mm (10.91") of precipitation is typically accumulated.

In September, the average day length is 12h and 5min.

In September, on the first day of the month, sunrise is at 05:43 and sunset at 17:45. On the last day of the month, in Wamena, Indonesia, sunrise is at 05:29 and sunset at 17:38 WIT.

The average sunshine duration in September in Wamena is 7.1h.

The months with the highest UV index in Wamena are January through December, with an average maximum UV index of 4.

January through December, with an average maximum UV index of 4, are months with the lowest UV index in Wamena, Indonesia.

In Wamena, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

19.7°C

19.6°C

19.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

3.6km/h

3.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

0.2

0.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Wamena, Indonesia

Average high temperature in September: 19.6°C

The warmest months (with the highest average high temperature) are May, August, October and November (19.7°C).
The months with the lowest average high temperature are January and March (19°C).

Average low temperature in September: 11.1°C

The month with the highest average low temperature is April (12.7°C).
The coldest month (with the lowest average low temperature) is August (10.6°C).

Average pressure in September
Wamena, Indonesia

Average pressure in September: 1012.3mbar

The month with the highest atmospheric pressure is August (1012.5mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).

Average wind speed in September
Wamena, Indonesia

Average wind speed in September: 3.3km/h

The windiest months (with the highest average wind speed) are July and September (3.3km/h).
The calmest months (with the lowest average wind speed) are February, March and April (2.7km/h).

Average humidity in September
Wamena, Indonesia

Average humidity in September: 89%

The months with the highest relative humidity are March and April (93%).
The months with the lowest relative humidity are July, August, September and October (89%).

Average rainfall in September
Wamena, Indonesia

Average rainfall in September: 277mm

The wettest month (with the highest rainfall) is March (549mm).
The driest month (with the least rainfall) is June (264mm).

Average rainfall days in September
Wamena, Indonesia

Average rainfall days in September: 29.6 days

The months with the highest number of rainy days are March and December (31 days).
The month with the least rainy days is February (28.3 days).

Average daylight in September /
Average sunshine in September
Wamena, Indonesia

Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).

Average sunshine in September: 7h and 6min

The month with the most sunshine is August (Average sunshine: 7h and 12min).
The month with the least sunshine is March (Average sunshine: 5h and 12min).

Average sunshine days in September
Wamena, Indonesia

Average sunshine days in September: 0.2 days

The month with the most sunshine days is October (0.4 days).
The months with the least sunshine days are February, March, April, November and December (0 days).

Average UV index in September
Wamena, Indonesia

Average UV index in September: 4

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 4).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 4).

Average cloud cover in September
Wamena, Indonesia

Average cloud cover in September: 59

The month with the most cloud cover is March (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 58).

Average visibility in September
Wamena, Indonesia

Average visibility in September: 7km

The months with the highest visibility are June, July, August and September (7km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (6km).