September weather forecastDumara, Indonesia
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Dumara, Indonesia, with an average temperature varying between 22.4°C (72.3°F) and 29.5°C (85.1°F).Temperature
Dumara transitions into September recording an average high-temperature of a still warm 29.5°C (85.1°F), closely aligning with the preceding month's temperature. Dumara throughout September, records an average low-temperature of 22.4°C (72.3°F).Heat index
The heat index for September is evaluated at a sweltering 36°C (96.8°F). Take extra safety measures to prevent heat exhaustion and heat cramps. Heatstroke could follow lengthy activity.Realize that the values for the heat index are set for shaded places and light winds. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'feels like' or 'felt air temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather is personal, differing among a variety of individuals based on differences in body mass, stature, and the level of physical activity. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
The physiological response of the human body to excess warmth is to perspire, thereby cooling itself through sweat evaporation. An increase in relative humidity retards evaporation, subsequently reducing the body's heat removal rate and leading to a sensation of being overly warm. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.
Humidity
The least humid month is September, with an average relative humidity of 78%.Rainfall
September is the month with the least rainfall in Dumara, Indonesia. Rain falls for 9.6 days and accumulates 16mm (0.63") of precipitation.Daylight
The average length of the day in September is 12h and 7min.On the first day of September in Dumara, sunrise is at 05:39 and sunset at 17:47. On the last day of the month, sunrise is at 05:30 and sunset at 17:36 WITA.
Sunshine
In September, the average sunshine in Dumara is 9h.UV index
January through May, September through December, with an average maximum UV index of 7, are months with the highest UV index in Dumara, Indonesia. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 7 in September interprets into the following recommendations:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dumara, Indonesia
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is March (30.8°C).
The month with the lowest average high temperature is July (28.4°C).
- Average low temperature in September: 22.4°C
The month with the highest average low temperature is December (23.4°C).
The coldest months (with the lowest average low temperature) are July, August and September (22.4°C).
Average pressure in September
Dumara, Indonesia
- Average pressure in September: 1010.1mbar
The months with the highest atmospheric pressure are August and September (1010.1mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in September
Dumara, Indonesia
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is August (8.5km/h).
The calmest months (with the lowest average wind speed) are April and November (4.3km/h).
Average humidity in September
Dumara, Indonesia
- Average humidity in September: 78%
The months with the highest relative humidity are April, May, June and July (84%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Dumara, Indonesia
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is April (111mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in September
Dumara, Indonesia
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is April (22.1 days).
The month with the least rainy days is September (9.6 days).
Average daylight in September /
Average sunshine in September
Dumara, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).
Average sunshine days in September
Dumara, Indonesia
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (6.7 days).
Average UV index in September
Dumara, Indonesia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).
Average cloud cover in September
Dumara, Indonesia
- Average cloud cover in September: 36
The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are September and October (Cloud cover 36).
Average visibility in September
Dumara, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, August and September (9km).
The months with the lowest visibility are April, May, June, July, October, November and December (8km).
