September weather forecastRembiga, Indonesia
September
Weather in September
September, the first month of the spring in Rembiga, is still a warm month, with an average temperature ranging between max 27.5°C (81.5°F) and min 24.1°C (75.4°F).Temperature
The average high-temperature is a still warm 27.5°C (81.5°F) in September, hardly different from the 27°C (80.6°F) recorded in August. A consistent nighttime average temperature of 24.1°C (75.4°F) is maintained during September.Heat index
September's mean heat index is estimated at a tropical 31°C (87.8°F). With sustained exposure and activity, exhaustion becomes probable, resulting in heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 12.3 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, there are 251.2 rainfall days, and 1214mm (47.8") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of September, sunrise is at 06:16 and sunset at 18:14. On the last day of the month, sunrise is at 06:00 and sunset at 18:10 WITA.
Sunshine
The average sunshine in September is 9.6h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index in Rembiga are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 7 in September translates into these instructions:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rembiga, Indonesia
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is November (28.9°C).
The month with the lowest average high temperature is August (27°C).
- Average low temperature in September: 24.1°C
The months with the highest average low temperature are November and December (26.3°C).
The coldest month (with the lowest average low temperature) is August (23.7°C).
Average pressure in September
Rembiga, Indonesia
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in September
Rembiga, Indonesia
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is July (13.6km/h).
The calmest month (with the lowest average wind speed) is April (7.8km/h).
Average humidity in September
Rembiga, Indonesia
- Average humidity in September: 78%
The months with the highest relative humidity are January, February, May, June, July and December (79%).
The month with the lowest relative humidity is October (77%).
Average rainfall in September
Rembiga, Indonesia
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is December (208mm).
The driest month (with the least rainfall) is August (15mm).
Average rainfall days in September
Rembiga, Indonesia
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is January (28.1 days).
The month with the least rainy days is August (12.2 days).
Average daylight in September /
Average sunshine in September
Rembiga, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is October (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 54min).
Average sunshine days in September
Rembiga, Indonesia
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is August (12.8 days).
The month with the least sunshine days is January (2.3 days).
Average UV index in September
Rembiga, Indonesia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Rembiga, Indonesia
- Average cloud cover in September: 22
The months with the most cloud cover are January and December (Cloud cover 44).
The months with the least cloud cover are August and September (Cloud cover 22).
Average visibility in September
Rembiga, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).





