September weather forecastDaya, Indonesia
September
Weather in September
The first month of the spring, September, is also a hot month in Daya, Indonesia, with an average temperature varying between 23.3°C (73.9°F) and 31.4°C (88.5°F).Temperature
Transitioning into September, Daya records an average high-temperature of a still hot 31.4°C (88.5°F), almost identical to August's 30.6°C (87.1°F). Throughout September, Daya witnesses a consistent average low-temperature of 23.3°C (73.9°F).Heat index
The average heat index in September is computed to be a torrid 38°C (100.4°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.Note that heat index values are valued for light wind and location in the shade. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.
Humidity
In September, the average relative humidity is 67%.Rainfall
The month with the least rainfall is September, when the rain falls for 5.4 days and typically collects 9mm (0.35") of precipitation.Daylight
The average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 06:01 and sunset at 18:02. On the last day of September, in Daya, sunrise is at 05:47 and sunset at 17:56 WITA.
Sunshine
In Daya, Indonesia, the average sunshine in September is 10h.UV index
February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 7 in September suggests the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Daya, Indonesia
- Average high temperature in September: 31.4°C
The warmest month (with the highest average high temperature) is October (32.2°C).
The month with the lowest average high temperature is January (29.1°C).
- Average low temperature in September: 23.3°C
The month with the highest average low temperature is November (25.5°C).
The coldest month (with the lowest average low temperature) is August (23°C).
Average pressure in September
Daya, Indonesia
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is August (1010.8mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in September
Daya, Indonesia
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is January (8.7km/h).
The calmest month (with the lowest average wind speed) is May (6.1km/h).
Average humidity in September
Daya, Indonesia
- Average humidity in September: 67%
The months with the highest relative humidity are April and May (79%).
The month with the lowest relative humidity is October (66%).
Average rainfall in September
Daya, Indonesia
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is January (159mm).
The driest month (with the least rainfall) is September (9mm).
Average rainfall days in September
Daya, Indonesia
- Average rainfall days in September: 5.4 days
The month with the highest number of rainy days is March (23.8 days).
The month with the least rainy days is August (4.9 days).
Average daylight in September /
Average sunshine in September
Daya, 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 48min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is May (Average sunshine: 6h and 48min).
Average sunshine days in September
Daya, Indonesia
- Average sunshine days in September: 24.4 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is March (4.1 days).
Average UV index in September
Daya, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in September
Daya, Indonesia
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in September
Daya, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





