September weather forecastParapat, Indonesia

September

Weather in September

The first month of the autumn, September, is also a hot month in Parapat, Indonesia, with an average temperature ranging between max 30.2°C (86.4°F) and min 20.4°C (68.7°F).

Temperature

The introduction of September notes a subtle temperature variation to a still hot 30.2°C (86.4°F) from August's 30.8°C (87.4°F). Throughout the nights in September, Parapat experiences an average low-temperature of 20.4°C (68.7°F).

Heat index

September's average heat index is computed to be a sweltering 38°C (100.4°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
The body's innate mechanism to counteract overheating is through perspiration, as it leverages the cooling effects of sweat evaporation. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. The body is at risk of dehydration and related complications when it fails to shed excessive heat.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Parapat, during September, the rain falls for 23.8 days and regularly aggregates up to 116mm (4.57") of precipitation. Throughout the year, there are 299.9 rainfall days, and 2367mm (93.19") of precipitation is accumulated.

Daylight

In Parapat, the average length of the day in September is 12h and 8min.
On the first day of September, sunrise is at 06:19 and sunset at 18:29. On the last day of the month, sunrise is at 06:11 and sunset at 18:17 WIB.

Sunshine

The average sunshine in September is 8.3h.

UV index

The months with the lowest UV index are January through June, August through December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 6 in September translates into the following instructions:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Updated: Aug 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during September is 30.2°C (86.4°F) and the low-temperature is 20.4°C (68.7°F). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is computed to be 38°C (100.4°F).

In September, the average relative humidity is 80%.

In Parapat, in September, it is raining for 23.8 days, with typically 116mm (4.57") of accumulated precipitation.

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

In September, on the first day of the month, sunrise is at 06:19 and sunset at 18:29. On the last day of the month, sunrise is at 06:11 and sunset at 18:17 WIB.

In September, the average sunshine duration is 8.3h.

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

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

30.8°C

30.2°C

30.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

4.7km/h

4.5km/h

4.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

4.6

3.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Parapat, Indonesia

Average high temperature in September: 30.2°C

The warmest month (with the highest average high temperature) is June (31°C).
The month with the lowest average high temperature is November (28.8°C).

Average low temperature in September: 20.4°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 (20.3°C).

Average pressure in September
Parapat, Indonesia

Average pressure in September: 1010.8mbar

The month with the highest atmospheric pressure is September (1010.8mbar).
The month with the lowest atmospheric pressure is May (1009.7mbar).

Average wind speed in September
Parapat, Indonesia

Average wind speed in September: 4km/h

The windiest month (with the highest average wind speed) is July (4.4km/h).
The calmest month (with the lowest average wind speed) is April (3.2km/h).

Average humidity in September
Parapat, Indonesia

Average humidity in September: 80%

The month with the highest relative humidity is November (87%).
The months with the lowest relative humidity are June and July (78%).

Average rainfall in September
Parapat, Indonesia

Average rainfall in September: 116mm

The wettest month (with the highest rainfall) is November (288mm).
The driest month (with the least rainfall) is August (84mm).

Average rainfall days in September
Parapat, Indonesia

Average rainfall days in September: 23.8 days

The month with the highest number of rainy days is November (29.1 days).
The month with the least rainy days is July (16.6 days).

Average daylight in September /
Average sunshine in September
Parapat, 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 18min

The months with the most sunshine are June and July (Average sunshine: 8h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).

Average sunshine days in September
Parapat, Indonesia

Average sunshine days in September: 4.6 days

The month with the most sunshine days is July (12 days).
The month with the least sunshine days is November (0.5 days).

Average UV index in September
Parapat, Indonesia

Average UV index in September: 6

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, August, September, October, November and December (UV index 6).

Average cloud cover in September
Parapat, Indonesia

Average cloud cover in September: 43

The month with the most cloud cover is November (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 35).

Average visibility in September
Parapat, Indonesia

Average visibility in September: 8km

The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, February, April, November and December (7km).