September weather forecastMasamba, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Masamba, Indonesia, with an average temperature fluctuating between 15.8°C (60.4°F) and 26°C (78.8°F).Temperature
As Masamba, Indonesia, welcomes September, the average high-temperature stabilizes at a still moderately hot 26°C (78.8°F), showing little deviation from August's 25.4°C (77.7°F). Masamba experiences a nighttime temperature average of 15.8°C (60.4°F) during September.Humidity
The average relative humidity in September is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 20.2 days and typically collects 83mm (3.27") of precipitation.Daylight
In September, the average length of the day is 12h and 6min.On the first day of the month, sunrise is at 05:56 and sunset at 18:00. On the last day of September, sunrise is at 05:44 and sunset at 17:52 WITA.
Sunshine
September has the most sunshine of the year, with an average of 9h of sunshine.UV index
The months with the highest UV index are January through May, September through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 6 turns into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Masamba, Indonesia
- Average high temperature in September: 26°C
The warmest months (with the highest average high temperature) are October and November (27.4°C).
The month with the lowest average high temperature is July (24.9°C).
- Average low temperature in September: 15.8°C
The month with the highest average low temperature is April (19°C).
The coldest month (with the lowest average low temperature) is September (15.8°C).
Average pressure in September
Masamba, Indonesia
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.8mbar).
Average wind speed in September
Masamba, Indonesia
- Average wind speed in September: 4.5km/h
The windiest month (with the highest average wind speed) is October (4.6km/h).
The calmest months (with the lowest average wind speed) are March and May (3.5km/h).
Average humidity in September
Masamba, Indonesia
- Average humidity in September: 80%
The months with the highest relative humidity are April, May and June (88%).
The month with the lowest relative humidity is October (78%).
Average rainfall in September
Masamba, Indonesia
- Average rainfall in September: 83mm
The wettest month (with the highest rainfall) is March (525mm).
The driest month (with the least rainfall) is September (83mm).
Average rainfall days in September
Masamba, Indonesia
- Average rainfall days in September: 20.2 days
The months with the highest number of rainy days are March and December (31 days).
The month with the least rainy days is September (20.2 days).
Average daylight in September /
Average sunshine in September
Masamba, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 12h and 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is September (Average sunshine: 9h and 0min).
The months with the least sunshine are March and June (Average sunshine: 6h and 30min).
Average sunshine days in September
Masamba, Indonesia
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is August (8.8 days).
The months with the least sunshine days are March, April and December (0 days).
Average UV index in September
Masamba, Indonesia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 6).
The months with the lowest UV index are June, July and August (UV index 5).
Average cloud cover in September
Masamba, Indonesia
- Average cloud cover in September: 42
The month with the most cloud cover is April (Cloud cover 60).
The month with the least cloud cover is October (Cloud cover 38).
Average visibility in September
Masamba, Indonesia
- Average visibility in September: 7km
The months with the highest visibility are January, February, October, November and December (8km).
The months with the lowest visibility are March, April, May, June, July, August and September (7km).





