September weather forecastJambe, Indonesia

September

Weather in September

The first month of the spring, September, is still a tropical month in Jambe, Indonesia, with an average temperature fluctuating between 25.3°C (77.5°F) and 30.9°C (87.6°F).

Temperature

The commencement of September brings an average high-temperature of a still hot 30.9°C (87.6°F), marking an inconsequential divergence from August. Jambe reports an average nighttime low-temperature of 25.3°C (77.5°F) in September.

Heat index

September's heat index is appraised at a fiery hot 37°C (98.6°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
When assessing, remember that heat index measurements are for light winds and shaded spots. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', quantifies the warmth felt when relative humidity is considered. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Rising body temperatures resulting from an imbalance in heat absorption can lead to potential thermal issues.

Humidity

The months with the lowest humidity are September and October, with an average relative humidity of 69%.

Rainfall

In September, the rain falls for 18 days. Throughout September, 60mm (2.36") of precipitation is accumulated. Throughout the year, there are 284.6 rainfall days, and 1328mm (52.28") of precipitation is accumulated.

Daylight

In September, the average length of the day is 12h and 4min.
On the first day of September, sunrise is at 05:54 and sunset at 17:53. On the last day of the month, sunrise is at 05:39 and sunset at 17:48 WIB.

Sunshine

In Jambe, the average sunshine in September is 9.5h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

September temperatures vary between a high-temperature of 30.9°C (87.6°F) and a low-temperature of 25.3°C (77.5°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, is appraised at 37°C (98.6°F).

September and October, with an average relative humidity of 69%, are the least humid months.

In September, the average relative humidity is 69%.

In Jambe, in September, it is raining for 18 days, with typically 60mm (2.36") of accumulated precipitation.

In September, the average day length is 12h and 4min.

In September, on the first day of the month, sunrise is at 05:54 and sunset at 17:53. On the last day of the month, sunrise is at 05:39 and sunset at 17:48 WIB.

In Jambe, the average sunshine duration in September is 9.5h.

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 September, the average daily maximum UV index is 7. A UV Index reading of 6 to 7 represents a high health risk 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
Jambe, Indonesia

  • Average high temperature in September: 30.9°C

The warmest month (with the highest average high temperature) is October (31.3°C).
The month with the lowest average high temperature is January (29.6°C).

  • Average low temperature in September: 25.3°C

The months with the highest average low temperature are October and November (26.5°C).
The coldest month (with the lowest average low temperature) is July (24.9°C).

Average pressure in September
Jambe, Indonesia

  • Average pressure in September: 1011mbar

The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in September
Jambe, Indonesia

  • Average wind speed in September: 8.7km/h

The windiest month (with the highest average wind speed) is January (12.6km/h).
The calmest months (with the lowest average wind speed) are September and November (8.7km/h).

Average humidity in September
Jambe, Indonesia

  • Average humidity in September: 69%

The months with the highest relative humidity are February and March (76%).
The months with the lowest relative humidity are September and October (69%).

Average rainfall in September
Jambe, Indonesia

  • Average rainfall in September: 60mm

The wettest month (with the highest rainfall) is February (162mm).
The driest month (with the least rainfall) is August (49mm).

Average rainfall days in September
Jambe, Indonesia

  • Average rainfall days in September: 18 days

The month with the highest number of rainy days is March (28.1 days).
The month with the least rainy days is August (15.3 days).

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

  • Average daylight in September: 12h and 6min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in September: 9h and 30min

The month with the most sunshine is March (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 7h and 12min).

Average sunshine days in September
Jambe, Indonesia

  • Average sunshine days in September: 8 days

The month with the most sunshine days is August (10.5 days).
The month with the least sunshine days is March (1.8 days).

Average UV index in September
Jambe, 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
Jambe, Indonesia

  • Average cloud cover in September: 25

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in September
Jambe, Indonesia

  • Average visibility in September: 10km

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