September weather forecastSinabang, Indonesia

September

Weather in September

The first month of the autumn, September, is still a warm month in Sinabang, Indonesia, with temperature in the range of an average low of 26.7°C (80.1°F) and an average high of 28.5°C (83.3°F).

Temperature

The shift into September reveals an average high-temperature of a still warm 28.5°C (83.3°F), closely mirroring August's climate. Sinabang experiences an average nighttime temperature of 26.7°C (80.1°F) in September, reflecting a minor difference from the day's peak.

Heat index

The heat index value for September is appraised at a tropical 33°C (91.4°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Note that heat index values are valued for light wind and location in the shade. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.

Humidity

In Sinabang, the average relative humidity in September is 76%.

Rainfall

In Sinabang, in September, it is raining for 21.9 days, with typically 125mm (4.92") of accumulated precipitation. Throughout the year, in Sinabang, there are 275.3 rainfall days, and 1965mm (77.36") of precipitation is accumulated.

Sea temperature

In Sinabang, in September, the average water temperature is 29.3°C (84.7°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) provides warmth and pleasure, making water activities enjoyable for lengthened periods without feeling uncomfortable.

Daylight

The average length of the day in September in Sinabang, Indonesia, is 12h and 8min.
On the first day of September in Sinabang, Indonesia, sunrise is at 06:29 and sunset at 18:39. On the last day of the month, sunrise is at 06:21 and sunset at 18:27 WIB.

Sunshine

The average sunshine in September is 7.7h.

UV index

The months with the highest UV index 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. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 7 transforms into these recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Alert! Sand and water increase UV exposure due to their reflective properties.

Frequently asked questions

September temperatures in Sinabang vary between a high-temperature of 28.5°C (83.3°F) and a low-temperature of 26.7°C (80.1°F). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 33°C (91.4°F).

The average relative humidity in September in Sinabang is 76%.

In Sinabang, in September, it is raining for 21.9 days, with typically 125mm (4.92") of accumulated precipitation.

In Sinabang, in September, the average water temperature is 29.3°C (84.7°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.

In September, the average day length in Sinabang, Indonesia, is 12h and 8min.

On the first day of September, sunrise is at 06:29 and sunset at 18:39. On the last day of the month, sunrise is at 06:21 and sunset at 18:27 WIB.

The average sunshine duration in September is 7.7h.

The months with the highest UV index 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 Sinabang.

The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat 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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sinabang, Indonesia

  • Average high temperature in September: 28.5°C

The warmest months (with the highest average high temperature) are March and May (29.3°C).
The month with the lowest average high temperature is November (27.9°C).

  • Average low temperature in September: 26.7°C

The month with the highest average low temperature is May (27.5°C).
The coldest month (with the lowest average low temperature) is December (26.3°C).

Average pressure in September
Sinabang, Indonesia

  • Average pressure in September: 1011.1mbar

The month with the highest atmospheric pressure is September (1011.1mbar).
The month with the lowest atmospheric pressure is May (1009.8mbar).

Average wind speed in September
Sinabang, Indonesia

  • Average wind speed in September: 9km/h

The windiest month (with the highest average wind speed) is November (9.5km/h).
The calmest months (with the lowest average wind speed) are January and April (7.9km/h).

Average humidity in September
Sinabang, Indonesia

  • Average humidity in September: 76%

The month with the highest relative humidity is November (78%).
The months with the lowest relative humidity are February, June and July (74%).

Average rainfall in September
Sinabang, Indonesia

  • Average rainfall in September: 125mm

The wettest month (with the highest rainfall) is November (250mm).
The driest month (with the least rainfall) is June (116mm).

Average rainfall days in September
Sinabang, Indonesia

  • Average rainfall days in September: 21.9 days

The month with the highest number of rainy days is November (25.9 days).
The month with the least rainy days is June (18.3 days).

Average sea temperature in September
Sinabang, Indonesia

  • Average sea temperature in September: 29.3°C

The best month for swimming (with the highest average sea temperature) is April (30.3°C).
The coldest month (with the lowest average sea temperature) is November (29°C).

Average daylight in September /
Average sunshine in September
Sinabang, Indonesia

  • Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 12h and 0min).

  • Average sunshine in September: 7h and 42min

The months with the most sunshine are February and June (Average sunshine: 8h and 30min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).

Average sunshine days in September
Sinabang, Indonesia

  • Average sunshine days in September: 6.4 days

The month with the most sunshine days is June (9.9 days).
The month with the least sunshine days is November (3.6 days).

Average UV index in September
Sinabang, 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
Sinabang, Indonesia

  • Average cloud cover in September: 47

The month with the most cloud cover is November (Cloud cover 55).
The month with the least cloud cover is February (Cloud cover 38).

Average visibility in September
Sinabang, Indonesia

  • Average visibility in September: 10km

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