September weather forecastRanai, Indonesia

September

Weather in September

September, the first month of the autumn in Ranai, is also a moderately hot month, with an average temperature ranging between min 27.5°C (81.5°F) and max 29.3°C (84.7°F).

Temperature

The commencement of September records an average high-temperature of a still moderately hot 29.3°C (84.7°F), barely varying from August's 29.6°C (85.3°F). Ranai in September experiences a minor decline in temperature, with an average low of 27.5°C (81.5°F) at night.

Heat index

September's mean heat index is appraised at a hot 34°C (93.2°F). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines both the air temperature and the humidity level to give a perceived human temperature. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.

Humidity

May, June, August through October, with an average relative humidity of 75%, are the least humid months.

Rainfall

In September, the rain falls for 22.6 days. Throughout September, 89mm (3.5") of precipitation is accumulated. In Ranai, during the entire year, the rain falls for 253.9 days and collects up to 1358mm (53.46") of precipitation.

Snowfall

The only month with snowfall is September. September has the most snowfall days of the year. Snow falls for 0.1 days.

Daylight

In September, the average length of the day is 12h and 8min.
On the first day of September, sunrise is at 05:40 and sunset at 17:52. On the last day of the month, sunrise is at 05:33 and sunset at 17:38 WIB.

Sunshine

The average sunshine in September is 8.8h.

UV index

January through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 7 during September, leads to the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

The high-temperature during September is 29.3°C (84.7°F) and the low-temperature is 27.5°C (81.5°F). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is appraised at 34°C (93.2°F).

The months with the lowest humidity are May, June, August through October, with an average relative humidity of 75%.

In Ranai, the average relative humidity in September is 75%.

In September, the rain falls for 22.6 days. Throughout September, 89mm (3.5") of precipitation is accumulated.

The month with the most snowfall days is September, when snow falls for 0.1 days.

September is the first month it typically snows. Throughout September, there are 0.1 snowfall days.

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

On the first day of September, sunrise is at 05:40 and sunset at 17:52. On the last day of the month, sunrise is at 05:33 and sunset at 17:38 WIB.

In September, the average sunshine duration is 8.8h.

The months with the highest UV index in Ranai are January through November, with an average maximum UV index of 7.

The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to 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 snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ranai, Indonesia

  • Average high temperature in September: 29.3°C

The warmest month (with the highest average high temperature) is May (30°C).
The month with the lowest average high temperature is January (27.3°C).

  • Average low temperature in September: 27.5°C

The months with the highest average low temperature are May and June (28.1°C).
The coldest month (with the lowest average low temperature) is February (26.2°C).

Average pressure in September
Ranai, Indonesia

  • Average pressure in September: 1009.6mbar

The month with the highest atmospheric pressure is February (1010.4mbar).
The months with the lowest atmospheric pressure are May and November (1008.7mbar).

Average wind speed in September
Ranai, Indonesia

  • Average wind speed in September: 12.6km/h

The windiest month (with the highest average wind speed) is January (20.8km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).

Average humidity in September
Ranai, Indonesia

  • Average humidity in September: 75%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are May, June, August, September and October (75%).

Average rainfall in September
Ranai, Indonesia

  • Average rainfall in September: 89mm

The wettest month (with the highest rainfall) is December (200mm).
The driest month (with the least rainfall) is March (53mm).

Average rainfall days in September
Ranai, Indonesia

  • Average rainfall days in September: 22.6 days

The month with the highest number of rainy days is November (25.5 days).
The month with the least rainy days is February (15.6 days).

Average snowfall days in September
Ranai, Indonesia

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Ranai, 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: 11h and 54min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in September
Ranai, Indonesia

  • Average sunshine days in September: 5.3 days

The month with the most sunshine days is March (12.3 days).
The month with the least sunshine days is November (3.3 days).

Average UV index in September
Ranai, 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 and November (UV index 7).
The month with the lowest UV index is December (UV index 6).

Average cloud cover in September
Ranai, Indonesia

  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is May (Cloud cover 33).

Average visibility in September
Ranai, 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).