September weather forecast
Cimahi, Indonesia

englishespañol中文
Share

Weather in September

September brings back increments in rainfall, recording an average of 7mm (0.28"). Daytime temperatures start to cool down slightly, bidding adieu to the peak summer heat. The lower temperatures and a slight increase in precipitation make for a more comfortable atmosphere. This month's winsome weather allows for a checkerboard of both indoor and outdoor activities. With the return of some showers, the city's panorama becomes a lovely sight to behold.

Temperature

Cimahi notes an average high-temperature of a still tropical 33.3°C (91.9°F) in September, hardly diverging from August. An average low-temperature of 22.5°C (72.5°F) is common during the nights of September.

Heat index

In September, the average heat index is estimated at an extremely hot 41°C (105.8°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important 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.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. When there is abundant moisture in the air, the body's cooling through the evaporation process becomes less effective, leading to the sensation of overheating. When body temperature rises due to an imbalance in heat gain, there's a potential for dehydration and overheating.

Humidity

With an average relative humidity of 63%, September is the least humid month.

Rainfall

In Cimahi, in September, during 5.8 rainfall days, 7mm (0.28") of precipitation is typically accumulated. Throughout the year, there are 139.1 rainfall days, and 518mm (20.39") 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 05:50 and sunset at 17:49. On the last day of the month, sunrise is at 05:34 and sunset at 17:44 WIB.

Sunshine

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. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 7 in September interprets into the following advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

How hot does it get in Cimahi in September?

During September, Cimahi experiences an average high-temperature of 33.3°C (91.9°F) and a low-temperature of 22.5°C (72.5°F). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 41°C (105.8°F).

What is the least humid month?

September is the least humid month, with an average relative humidity of 63%.

What is the average humidity in September?

In September, the average relative humidity in Cimahi is 63%.

How much does it rain in September?

In Cimahi, in September, it is raining for 5.8 days, with typically 7mm (0.28") of accumulated precipitation.

How many hours of daylight does Cimahi have in September?

The average day length in September is 12h and 4min.

When is the sunrise / sunset in September?

On the first day of September, sunrise is at 05:50 and sunset at 17:49. On the last day of the month, sunrise is at 05:34 and sunset at 17:44 WIB.

How long on average sun shines in September?

The average sunshine duration in September is 9.5h.

When is the highest UV index?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

What is the month with the lowest UV index?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

What is the UV index reading in September?

The average daily maximum UV index in September in Cimahi is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.

Average temperature in September
Cimahi, Indonesia

Average temperature in September - Cimahi, Indonesia
  • Average high temperature in September: 33.3°C

The warmest month (with the highest average high temperature) is October (33.4°C).
The month with the lowest average high temperature is February (29.8°C).

  • Average low temperature in September: 22.5°C

The month with the highest average low temperature is November (24.7°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).

Average pressure in September
Cimahi, Indonesia

Average pressure in September - Cimahi, Indonesia
  • Average pressure in September: 1011.2mbar

The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in September
Cimahi, Indonesia

Average wind speed in September - Cimahi, Indonesia
  • Average wind speed in September: 8.2km/h

The windiest month (with the highest average wind speed) is January (8.6km/h).
The calmest months (with the lowest average wind speed) are April and November (6km/h).

Average humidity in September
Cimahi, Indonesia

Average humidity in September - Cimahi, Indonesia
  • Average humidity in September: 63%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is September (63%).

Average rainfall in September
Cimahi, Indonesia

Average rainfall in September - Cimahi, Indonesia
  • Average rainfall in September: 7mm

The wettest months (with the highest rainfall) are February and March (90mm).
The driest month (with the least rainfall) is August (4mm).

Average rainfall days in September
Cimahi, Indonesia

Average rainfall days in September - Cimahi, Indonesia
  • Average rainfall days in September: 5.8 days

The months with the highest number of rainy days are March and December (18.1 days).
The month with the least rainy days is August (2.6 days).

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

Average daylight in September / Average sunshine in September - Cimahi, Indonesia
  • Average daylight in September: 12h and 1min

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 42min).

  • Average sunshine in September: 9h and 3min

The month with the most sunshine is February (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 7h and 24min).

Average sunshine days in September
Cimahi, Indonesia

Average sunshine days in September - Cimahi, Indonesia
  • Average sunshine days in September: 23.6 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (7.4 days).

Average UV index in September
Cimahi, Indonesia

Average UV index in September - Cimahi, 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
Cimahi, Indonesia

Average cloud cover in September - Cimahi, Indonesia
  • Average cloud cover in September: 21

The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in September
Cimahi, Indonesia

Average visibility in September - Cimahi, 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).

Cimahi, Indonesia

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location