September weather forecastSimarito, Indonesia

September

Weather in September

The first month of the autumn, September, is still a warm month in Simarito, Indonesia, with temperature in the range of an average low of 20.7°C (69.3°F) and an average high of 29.2°C (84.6°F).

Temperature

As Simarito transitions from August to September, the average high-temperatures adjust to a moderately hot 29.2°C (84.6°F), nearly the same as the previous 30°C (86°F). Simarito in September anticipates an average nighttime temperature of 20.7°C (69.3°F).

Heat index

The heat index value during September is computed to be a very hot 36°C (96.8°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

In September, the average relative humidity is 83%.

Rainfall

In Simarito, in September, it is raining for 25.4 days, with typically 158mm (6.22") of accumulated precipitation. Throughout the year, there are 317.9 rainfall days, and 2279mm (89.72") of precipitation is accumulated.

Daylight

In Simarito, the average length of the day in September is 12h and 8min.
On the first day of the month, sunrise is at 06:18 and sunset at 18:28. On the last day of September, sunrise is at 06:10 and sunset at 18:16 WIB.

Sunshine

The average sunshine in September is 8.1h.

UV index

January through December, with an average maximum UV index of 6, are months with the highest UV index. January through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum high daily UV index of 6 during September translates into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

In September, in Simarito, the average high-temperature is 29.2°C (84.6°F), and the average low-temperature is 20.7°C (69.3°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 36°C (96.8°F).

In September, the average relative humidity is 83%.

In September, the rain falls for 25.4 days. Throughout September, 158mm (6.22") of precipitation is accumulated.

The average day length in September is 12h and 8min.

In September, on the first day of the month, sunrise is at 06:18 and sunset at 18:28. On the last day of the month, sunrise is at 06:10 and sunset at 18:16 WIB.

In September, the average sunshine duration is 8.1h.

The months with the highest UV index in Simarito are January through December, with an average maximum UV index of 6.

The months with the lowest UV index are January through December, with an average maximum UV index of 6.

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Simarito, Indonesia

  • Average high temperature in September: 29.2°C

The warmest month (with the highest average high temperature) is June (30.1°C).
The month with the lowest average high temperature is December (27.7°C).

  • Average low temperature in September: 20.7°C

The month with the highest average low temperature is May (21.3°C).
The coldest month (with the lowest average low temperature) is January (20°C).

Average pressure in September
Simarito, Indonesia

  • Average pressure in September: 1010.6mbar

The month with the highest atmospheric pressure is January (1010.8mbar).
The month with the lowest atmospheric pressure is May (1009.6mbar).

Average wind speed in September
Simarito, Indonesia

  • Average wind speed in September: 4.3km/h

The windiest month (with the highest average wind speed) is February (4.8km/h).
The calmest month (with the lowest average wind speed) is November (4km/h).

Average humidity in September
Simarito, Indonesia

  • Average humidity in September: 83%

The months with the highest relative humidity are January, November and December (87%).
The months with the lowest relative humidity are June, July and August (82%).

Average rainfall in September
Simarito, Indonesia

  • Average rainfall in September: 158mm

The wettest month (with the highest rainfall) is April (237mm).
The driest month (with the least rainfall) is February (127mm).

Average rainfall days in September
Simarito, Indonesia

  • Average rainfall days in September: 25.4 days

The month with the highest number of rainy days is December (29.3 days).
The month with the least rainy days is June (22.6 days).

Average daylight in September /
Average sunshine in September
Simarito, 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: 8h and 6min

The months with the most sunshine are March and August (Average sunshine: 8h and 18min).
The months with the least sunshine are January and December (Average sunshine: 7h and 12min).

Average sunshine days in September
Simarito, Indonesia

  • Average sunshine days in September: 3.7 days

The month with the most sunshine days is June (6.1 days).
The month with the least sunshine days is December (0.8 days).

Average UV index in September
Simarito, Indonesia

  • Average UV index in September: 6

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

Average cloud cover in September
Simarito, Indonesia

  • Average cloud cover in September: 42

The month with the most cloud cover is December (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 39).

Average visibility in September
Simarito, Indonesia

  • Average visibility in September: 8km

The months with the highest visibility are March, June, July, August, September, October and November (8km).
The months with the lowest visibility are January, February, April, May and December (7km).