September weather forecastBengkalis, Indonesia
September
Weather in September
September, the first month of the autumn in Bengkalis, is also a hot month, with temperature in the range of an average low of 26°C (78.8°F) and an average high of 30.5°C (86.9°F).Temperature
Bengkalis marks the arrival of September with an average high-temperature of a still tropical 30.5°C (86.9°F), hardly different from August's 30.6°C (87.1°F). Nights in September cool down, indicating a minor disparity from daytime highs with an average low-temperature of 26°C (78.8°F).Heat index
The average heat index in September is calculated to be a very hot 37°C (98.6°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. Augmented relative humidity impedes typical body cooling mechanisms by lowering the evaporation rate, resulting in decreased body cooling and an amplified perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
September is the least humid month, with an average relative humidity of 73%.Rainfall
September is the month with the least rainfall. Rain falls for 18.6 days and accumulates 63mm (2.48") of precipitation.Daylight
In Bengkalis, the average length of the day in September is 12h and 7min.On the first day of the month, sunrise is at 06:07 and sunset at 18:15. On the last day of September, sunrise is at 05:58 and sunset at 18:04 WIB.
Sunshine
May, August and September, with an average of 8.9h of sunshine, are months with the most sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Bengkalis. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 7 in September translates into this advice:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bengkalis, Indonesia
- Average high temperature in September: 30.5°C
The warmest month (with the highest average high temperature) is May (31°C).
The month with the lowest average high temperature is December (29.6°C).
- Average low temperature in September: 26°C
The months with the highest average low temperature are May and June (26.8°C).
The coldest month (with the lowest average low temperature) is February (24.5°C).
Average pressure in September
Bengkalis, Indonesia
- Average pressure in September: 1009.6mbar
The months with the highest atmospheric pressure are January and February (1010.2mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed in September
Bengkalis, Indonesia
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is January (11.3km/h).
The calmest month (with the lowest average wind speed) is April (7.8km/h).
Average humidity in September
Bengkalis, Indonesia
- Average humidity in September: 73%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is September (73%).
Average rainfall in September
Bengkalis, Indonesia
- Average rainfall in September: 63mm
The wettest month (with the highest rainfall) is November (193mm).
The driest month (with the least rainfall) is September (63mm).
Average rainfall days in September
Bengkalis, Indonesia
- Average rainfall days in September: 18.6 days
The month with the highest number of rainy days is November (26.6 days).
The month with the least rainy days is June (18.1 days).
Average daylight in September /
Average sunshine in September
Bengkalis, 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 0min).
- Average sunshine in September: 8h and 54min
The months with the most sunshine are May, August and September (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 30min).
Average sunshine days in September
Bengkalis, Indonesia
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is June (10.4 days).
The month with the least sunshine days is November (2.5 days).
Average UV index in September
Bengkalis, 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
Bengkalis, Indonesia
- Average cloud cover in September: 35
The months with the most cloud cover are November and December (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 33).
Average visibility in September
Bengkalis, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).
