September weather forecastKetupat, Indonesia
September
Weather in September
September, the first month of the spring in Ketupat, is also a moderately hot month, with an average temperature fluctuating between 26.2°C (79.2°F) and 29.5°C (85.1°F).An excellent water temperature of 28°C (82.4°F) and only 3.7 rainfall days, with 9mm (0.35") of accumulated rainfall, makes September a prime for swimming and other water activities.
Temperature
Ketupat, Indonesia, experiences an average high-temperature of a still moderately hot 29.5°C (85.1°F) in September, subtly different from August's 28.9°C (84°F). A modest dip in temperatures to an average of 26.2°C (79.2°F) is observed throughout Ketupat's September nights.Heat index
Throughout September, the heat index is evaluated at a tropical 34°C (93.2°F). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.Heat index specifics point out values are for conditions of shade and a slight breeze. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 69%.Rainfall
In September, in Ketupat, the rain falls for 3.7 days. Throughout September, 9mm (0.35") of precipitation is accumulated. In Ketupat, during the entire year, the rain falls for 185 days and collects up to 791mm (31.14") of precipitation.Sea temperature
In Ketupat, the average seawater temperature in September is 28°C (82.4°F).Note: Swimming, diving, and similar water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as very agreeable and pleasurable for lengthy periods without discomfort.
Daylight
The average length of the day in September in Ketupat is 12h and 4min.On the first day of September in Ketupat, sunrise is at 05:22 and sunset at 17:21. On the last day of the month, sunrise is at 05:07 and sunset at 17:16 WIB.
Sunshine
September and October, with an average of 9.9h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index in Ketupat are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Ketupat. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 7 during September translates into the following directions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ketupat, Indonesia
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is November (31°C).
The months with the lowest average high temperature are July and August (28.9°C).
- Average low temperature in September: 26.2°C
The month with the highest average low temperature is November (27.7°C).
The coldest month (with the lowest average low temperature) is August (25.8°C).
Average pressure in September
Ketupat, Indonesia
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is August (1011.3mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in September
Ketupat, Indonesia
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is August (17.5km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity in September
Ketupat, Indonesia
- Average humidity in September: 69%
The months with the highest relative humidity are January and February (77%).
The months with the lowest relative humidity are September and October (69%).
Average rainfall in September
Ketupat, Indonesia
- Average rainfall in September: 9mm
The wettest month (with the highest rainfall) is January (172mm).
The driest month (with the least rainfall) is August (4mm).
Average rainfall days in September
Ketupat, Indonesia
- Average rainfall days in September: 3.7 days
The month with the highest number of rainy days is January (27.1 days).
The month with the least rainy days is September (3.7 days).
Average sea temperature in September
Ketupat, Indonesia
- Average sea temperature in September: 28°C
The best month for swimming (with the highest average sea temperature) is December (30.2°C).
The coldest month (with the lowest average sea temperature) is August (27.8°C).
Average daylight in September /
Average sunshine in September
Ketupat, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 9h and 54min
The months with the most sunshine are September and October (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 7h and 18min).
Average sunshine days in September
Ketupat, Indonesia
- Average sunshine days in September: 25.3 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is January (2.9 days).
Average UV index in September
Ketupat, 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
Ketupat, Indonesia
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 12).
Average visibility in September
Ketupat, 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).
