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
Weather in September
Temperature
Ampenan notes an average high-temperature of a still warm 27.6°C (81.7°F) in September, hardly diverging from August. In Ampenan, September nights experience a modest descent in temperature from daily peaks, cooling down to an average of 24.1°C (75.4°F).Heat index
The heat index in September is calculated to be a hot 31°C (87.8°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.Realize that the values for the heat index are set for shaded places and light winds. With direct sunlight, the heat index could increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', blends air temperature and moisture content to represent the felt temperature to humans. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humidity
In September, the average relative humidity is 78%.Rainfall
In Ampenan, during September, the rain falls for 13.3 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 252.2 rainfall days, and 1215mm (47.83") of precipitation is accumulated.Daylight
In Ampenan, the average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 06:17 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 in Ampenan is 9.4h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Ampenan are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 7 in September translates into the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for Ampenan in September?
What is the average humidity in September in Ampenan?
How much does it rain in Ampenan in September?
What is the average length of the day in September in Ampenan?
When is the sunrise / sunset in September in Ampenan?
How many hours of sunshine does Ampenan have in September?
What is the month with the highest UV index in Ampenan?
What are the months with the lowest UV index in Ampenan?
What is the UV index reading in September in Ampenan?
Average temperature in September
Ampenan, Indonesia
- Average high temperature in September: 27.6°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
Ampenan, Indonesia
- Average pressure in September: 1011.6mbar
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
Ampenan, Indonesia
- Average wind speed in September: 13.4km/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
Ampenan, 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
Ampenan, Indonesia
- Average rainfall in September: 28mm
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
Ampenan, Indonesia
- Average rainfall days in September: 13.3 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
Ampenan, Indonesia
- Average daylight in September: 12h and 1min
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 2min
The month with the most sunshine is October (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 7h and 54min).
Average sunshine days in September
Ampenan, Indonesia
- Average sunshine days in September: 11.7 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
Ampenan, 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
Ampenan, Indonesia
- Average cloud cover in September: 23
The months with the most cloud cover are January and December (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Ampenan, 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).
Ampenan, Indonesia
Weather forecast for your location
2. Allow the app to use your location
