September weather forecastLahewa, Indonesia

September

Weather in September

September, the first month of the autumn in Lahewa, is still a warm month, 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

September's onset records an average high-temperature of a still moderately hot 28.5°C (83.3°F), a near match to August's 28.8°C (83.8°F). Lahewa, during the nights of September, averages a temperature close to its daytime high, at a still moderately hot 26.7°C (80.1°F).

Heat index

The heat index value during September is estimated at a hot 33°C (91.4°F). Exercise more precautions, heat cramps and heat exhaustion are potential risks. Continuous activity could precipitate heatstroke.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in September is 76%.

Rainfall

In Lahewa, during September, the rain falls for 21.9 days and regularly aggregates up to 125mm (4.92") of precipitation. In Lahewa, during the entire year, the rain falls for 275.3 days and collects up to 1965mm (77.36") of precipitation.

Daylight

In Lahewa, the average length of the day in September is 12h and 7min.
On the first day of the month, sunrise is at 06:27 and sunset at 18:35. On the last day of September, sunrise is at 06:18 and sunset at 18:24 WIB.

Sunshine

In Lahewa, the average sunshine in September is 7.7h.

UV index

The months with the highest UV index in Lahewa are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Lahewa are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 7 during September leads to these instructions:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Updated: Jan 25, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Lahewa, records 28.5°C (83.3°F), while the low-temperature is 26.7°C (80.1°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 33°C (91.4°F).

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

In September, the rain falls for 21.9 days. Throughout September, 125mm (4.92") of precipitation is accumulated.

The average day length in September in Lahewa, Indonesia, is 12h and 7min.

In September, on the first day of the month, sunrise is at 06:27 and sunset at 18:35. On the last day of the month, sunrise is at 06:18 and sunset at 18:24 WIB.

In September, the average sunshine duration is 7.7h.

The months with the highest UV index in Lahewa 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.

In September, the average daily maximum UV index is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

28.8°C

28.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.7km/h

9.5km/h

10km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

5.9

6.4

5.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Lahewa, 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
Lahewa, 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
Lahewa, 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
Lahewa, 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
Lahewa, 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
Lahewa, 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 daylight in September /
Average sunshine in September
Lahewa, Indonesia

Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 12min).
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
Lahewa, 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
Lahewa, 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
Lahewa, 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
Lahewa, 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).