September weather forecast
Gorontalo, Indonesia

September

Weather in September

The first month of the autumn, September, is also a moderately hot month in Gorontalo, Indonesia, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 22.4°C (72.3°F).

Temperature

The average high-temperature for September is a still warm 29.5°C (85.1°F), closely aligning with the temperature of the preceding month. Gorontalo's average low-temperature in September is measured at an agreeable 22.4°C (72.3°F).

Heat index

For September, the heat index is estimated at a sweltering 36°C (96.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Remember that heat index calculations are made for conditions in the shade with light wind. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', offers an insight into how hot it feels when we factor in moisture content. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. When relative humidity increases, the body's capacity to evaporate heat decreases, leading to a heightened sense of warmth. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The least humid month is September, with an average relative humidity of 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 9.6 days and typically collects 16mm (0.63") of precipitation.

Daylight

In September, the average length of the day in Gorontalo is 12h and 7min.
On the first day of September in Gorontalo, Indonesia, sunrise is at 05:43 and sunset at 17:51. On the last day of the month, sunrise is at 05:34 and sunset at 17:40 WITA.

Sunshine

In September, the average sunshine in Gorontalo is 9h.

UV index

The months with the highest UV index are January through May, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high UV index of 7 in September translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.

Frequently asked questions

How hot is September in Gorontalo?
During September, Gorontalo experiences an average high-temperature of 29.5°C (85.1°F) and a low-temperature of 22.4°C (72.3°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 36°C (96.8°F).
What is the least humid month in Gorontalo?
September is the least humid month in Gorontalo, with an average relative humidity of 78%.
What is the average humidity in September in Gorontalo?
In Gorontalo, the average relative humidity in September is 78%.
What is the driest month in Gorontalo?
The month with the least rainfall is September, when the rain falls for 9.6 days and typically collects 16mm (0.63") of precipitation.
How much does it rain in Gorontalo in September?
In Gorontalo, Indonesia, in September, during 9.6 rainfall days, 16mm (0.63") of precipitation is typically accumulated.
What is the average length of the day in September in Gorontalo?
In September, the average day length in Gorontalo, Indonesia, is 12h and 7min.
When is the sunrise / sunset in September in Gorontalo?
On the first day of September, sunrise is at 05:43 and sunset at 17:51. On the last day of the month, sunrise is at 05:34 and sunset at 17:40 WITA.
How many hours of sunshine does Gorontalo have in September?
In Gorontalo, Indonesia, the average sunshine duration in September is 9h.
What are the months with the highest UV index in Gorontalo?
The months with the highest UV index are January through May, September through December, with an average maximum UV index of 7.
How high is the UV index in September in Gorontalo?
In Gorontalo, Indonesia, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Gorontalo, Indonesia
Average temperature in September
Gorontalo, 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 - Gorontalo, Indonesia
Average pressure in September
Gorontalo, 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 - Gorontalo, Indonesia
Average wind speed in September
Gorontalo, 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 - Gorontalo, Indonesia
Average humidity in September
Gorontalo, 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 - Gorontalo, Indonesia
Average rainfall in September
Gorontalo, 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 - Gorontalo, Indonesia
Average rainfall days in September
Gorontalo, 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 - Gorontalo, Indonesia
Average daylight in September /
Average sunshine in September
Gorontalo, Indonesia
  • Average daylight in September: 12h and 1min

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 - Gorontalo, Indonesia
Average sunshine days in September
Gorontalo, 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 - Gorontalo, Indonesia
Average UV index in September
Gorontalo, 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 - Gorontalo, Indonesia
Average cloud cover in September
Gorontalo, 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 - Gorontalo, Indonesia
Average visibility in September
Gorontalo, 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).

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