September weather forecast
Tawui, Indonesia

September

Weather in September

September, the first month of the spring in Tawui, is also a moderately hot month, with an average temperature fluctuating between 23.2°C (73.8°F) and 29.1°C (84.4°F).
The ideal sea water temperature of 27°C (80.6°F) and only 4.4 rainfall days, with 6mm (0.24") of accumulated rainfall, makes September the best time for swimming and other water activities.

Temperature

September notes an average high-temperature of a still moderately hot 29.1°C (84.4°F), subtly differing from August's 27.9°C (82.2°F). Throughout the month of September, Tawui observes an average nighttime temperature of 23.2°C (73.8°F).

Heat index

In September, the average heat index is calculated to be a tropical 34°C (93.2°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.
Heat index evaluations are typically in the context of light winds and shaded environments. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.

Humidity

In September, the average relative humidity is 73%.

Rainfall

In Tawui, in September, it is raining for 4.4 days, with typically 6mm (0.24") of accumulated precipitation. In Tawui, during the entire year, the rain falls for 191.2 days and collects up to 892mm (35.12") of precipitation.

Sea temperature

In Tawui, in September, the average water temperature is 27°C (80.6°F).
Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

In September, the average length of the day is 12h and 3min.
On the first day of the month, sunrise is at 06:02 and sunset at 17:57. On the last day of September, in Tawui, sunrise is at 05:44 and sunset at 17:55 WITA.

Sunshine

In Tawui, the average sunshine in September is 9.6h.

UV index

January through June, August through December, with an average maximum UV index of 7, are months with the highest UV index in Tawui, Indonesia. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 7 during September translates into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.

Frequently asked questions

How hot does it get in Tawui in September?
The average high-temperature, in September, in Tawui, is 29.1°C (84.4°F), while the average low-temperature is 23.2°C (73.8°F). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 34°C (93.2°F).
What is the average humidity in September in Tawui?
In September, the average relative humidity in Tawui, Indonesia, is 73%.
How many days does it rain in September in Tawui?
In September, the rain falls for 4.4 days. Throughout September, 6mm (0.24") of precipitation is accumulated.
What is the sea water temperature in September in Tawui?
In Tawui, Indonesia, the average seawater temperature in September is 27°C (80.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
How many hours of daylight does Tawui have in September?
In Tawui, the average day length in September is 12h and 3min.
When is the sunrise / sunset in September in Tawui?
In September, on the first day of the month, sunrise is at 06:02 and sunset at 17:57. On the last day of the month, in Tawui, sunrise is at 05:44 and sunset at 17:55 WITA.
How many hours of sunshine does Tawui have in September?
In September, the average sunshine duration in Tawui, Indonesia, is 9.6h.
When is the highest UV index in Tawui?
The months with the highest UV index in Tawui, Indonesia, are January through June, August through December, with an average maximum UV index of 7.
How high is the UV index in September in Tawui?
In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Tawui, Indonesia
Average temperature in September
Tawui, Indonesia
  • Average high temperature in September: 29.1°C

The warmest months (with the highest average high temperature) are October and November (30.5°C).
The month with the lowest average high temperature is July (27.3°C).

  • Average low temperature in September: 23.2°C

The month with the highest average low temperature is December (25.6°C).
The coldest month (with the lowest average low temperature) is August (22.8°C).

Average pressure in September - Tawui, Indonesia
Average pressure in September
Tawui, Indonesia
  • Average pressure in September: 1012mbar

The month with the highest atmospheric pressure is August (1012.5mbar).
The months with the lowest atmospheric pressure are January and December (1007.9mbar).

Average wind speed in September - Tawui, Indonesia
Average wind speed in September
Tawui, Indonesia
  • Average wind speed in September: 12.9km/h

The windiest month (with the highest average wind speed) is July (16.5km/h).
The calmest month (with the lowest average wind speed) is March (8.2km/h).

Average humidity in September - Tawui, Indonesia
Average humidity in September
Tawui, Indonesia
  • Average humidity in September: 73%

The months with the highest relative humidity are January, February and March (81%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September - Tawui, Indonesia
Average rainfall in September
Tawui, Indonesia
  • Average rainfall in September: 6mm

The wettest month (with the highest rainfall) is January (181mm).
The driest months (with the least rainfall) are July and August (1mm).

Average rainfall days in September - Tawui, Indonesia
Average rainfall days in September
Tawui, Indonesia
  • Average rainfall days in September: 4.4 days

The month with the highest number of rainy days is January (29.7 days).
The month with the least rainy days is August (1.9 days).

Average sea temperature in September - Tawui, Indonesia
Average sea temperature in September
Tawui, Indonesia
  • Average sea temperature in September: 27°C

The best month for swimming (with the highest average sea temperature) is December (30.2°C).
The coldest months (with the lowest average sea temperature) are July and August (26.2°C).

Average daylight in September / Average sunshine in September - Tawui, Indonesia
Average daylight in September /
Average sunshine in September
Tawui, Indonesia
  • Average daylight in September: 12h and 0min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).

  • Average sunshine in September: 9h and 4min

The month with the most sunshine is November (Average sunshine: 10h and 36min).
The month with the least sunshine is May (Average sunshine: 6h and 54min).

Average sunshine days in September - Tawui, Indonesia
Average sunshine days in September
Tawui, Indonesia
  • Average sunshine days in September: 23.9 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is January (0.3 days).

Average UV index in September - Tawui, Indonesia
Average UV index in September
Tawui, Indonesia
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 7).
The month with the lowest UV index is July (UV index 6).

Average cloud cover in September - Tawui, Indonesia
Average cloud cover in September
Tawui, Indonesia
  • Average cloud cover in September: 14

The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 13).

Average visibility in September - Tawui, Indonesia
Average visibility in September
Tawui, Indonesia
  • Average visibility in September: 10km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).

englishespañol中文
Share