Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
During September, Batu Merah observes a subtle ascent to a still warm 27.1°C (80.8°F) from August's 26.6°C (79.9°F) in the average high-temperature. Batu Merah registers an average low-temperature of 25.2°C (77.4°F) throughout September, a modest decrease from its daytime highs.Heat index
September's average heat index is calculated to be a tropical 30°C (86°F). Continuing activity during long-lasting exposure might induce tiredness and result in heat cramps.Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'real feel' or 'feels like', determines the feeling of heat when you account for the relative humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values hold particular significance for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In Batu Merah, Indonesia, the average relative humidity in September is 80%.Rainfall
The months with the least rainfall are September and October Rain falls for 19.4 days and accumulates 59mm (2.32") of rain.Daylight
In Batu Merah, the average length of the day in September is 12h and 5min.On the first day of September in Batu Merah, sunrise is at 06:25 and sunset at 18:28. On the last day of the month, sunrise is at 06:13 and sunset at 18:21 WIT.
Sunshine
The average sunshine in September is 7.4h.UV index
The months with the highest UV index are January through May, August through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 7 suggests this advice:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Batu Merah?
What is the average humidity in September in Batu Merah?
What is the driest month in Batu Merah?
How many days does it rain in September in Batu Merah?
How many hours of daylight does Batu Merah have in September?
What time are sunrise and sunset in September in Batu Merah?
How many hours of sunshine does Batu Merah have in September?
What is the month with the highest UV index in Batu Merah?
What is the UV index intensity in September in Batu Merah?
Average temperature in September
Batu Merah, Indonesia
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is December (29.5°C).
The month with the lowest average high temperature is August (26.6°C).
- Average low temperature in September: 25.2°C
The month with the highest average low temperature is December (27.3°C).
The coldest month (with the lowest average low temperature) is August (24.7°C).
Average pressure in September
Batu Merah, Indonesia
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is August (1011.1mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Batu Merah, Indonesia
- Average wind speed in September: 14.6km/h
The windiest month (with the highest average wind speed) is July (19.2km/h).
The calmest month (with the lowest average wind speed) is November (8.4km/h).
Average humidity in September
Batu Merah, Indonesia
- Average humidity in September: 80%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are November and December (74%).
Average rainfall in September
Batu Merah, Indonesia
- Average rainfall in September: 59mm
The wettest month (with the highest rainfall) is June (232mm).
The driest months (with the least rainfall) are September and October (59mm).
Average rainfall days in September
Batu Merah, Indonesia
- Average rainfall days in September: 19.4 days
The month with the highest number of rainy days is March (27.5 days).
The month with the least rainy days is October (18.4 days).
Average daylight in September /
Average sunshine in September
Batu Merah, Indonesia
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is July (Average sunshine: 5h and 54min).
Average sunshine days in September
Batu Merah, Indonesia
- Average sunshine days in September: 6.2 days
The month with the most sunshine days is October (7.8 days).
The month with the least sunshine days is April (2.1 days).
Average UV index in September
Batu Merah, Indonesia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 6).
Average cloud cover in September
Batu Merah, Indonesia
- Average cloud cover in September: 49
The month with the most cloud cover is July (Cloud cover 60).
The month with the least cloud cover is November (Cloud cover 30).
Average visibility in September
Batu Merah, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is April (9km).
