September weather forecastBatu, Malaysia

September

Weather in September

The first month of the autumn, September, is still a hot month in Batu, Malaysia, with temperature in the range of an average low of 23.2°C (73.8°F) and an average high of 32.2°C (90°F).

Temperature

September's onset brings an average high-temperature of a still hot 32.2°C (90°F), showing a minute difference from August's 32.3°C (90.1°F). In Batu, the average low-temperature during the month of September is a warm 23.2°C (73.8°F).

Heat index

For September, the heat index is appraised at a scorching 43°C (109.4°F). Careful: Heat exhaustion and heat cramps are anticipated. With ongoing exertion, heatstroke becomes a possibility.
Bear in mind that the heat index values are determined for shaded areas and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The average relative humidity in September is 74%.

Rainfall

September is the month with the least rainfall. Rain falls for 23.3 days and accumulates 62mm (2.44") of precipitation.

Daylight

In Batu, the average length of the day in September is 12h and 8min.
On the first day of the month, sunrise is at 7:07 am and sunset at 7:18 pm. On the last day of September, sunrise is at 7:00 am and sunset at 7:05 pm +08.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The months with the highest UV index are January through October and December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: An average UV index of 7 in September transforms into this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

The average high-temperature and low-temperature during September are 32.2°C (90°F) and 23.2°C (73.8°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 43°C (109.4°F).

In Batu, the average relative humidity in September is 74%.

The month with the least rainfall is September, when the rain falls for 23.3 days and typically collects 62mm (2.44") of precipitation.

In Batu, during September, the rain falls for 23.3 days and regularly aggregates up to 62mm (2.44") of precipitation.

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

In September, on the first day of the month, sunrise is at 7:07 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 7:05 pm +08.

In September, the average sunshine duration is 8.7h.

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

The average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Batu, Malaysia

  • Average high temperature in September: 32.2°C

The warmest month (with the highest average high temperature) is April (32.5°C).
The month with the lowest average high temperature is December (30.8°C).

  • Average low temperature in September: 23.2°C

The month with the highest average low temperature is May (24°C).
The coldest month (with the lowest average low temperature) is February (22.5°C).

Average pressure in September
Batu, Malaysia

  • Average pressure in September: 1009.7mbar

The month with the highest atmospheric pressure is January (1010.5mbar).
The months with the lowest atmospheric pressure are May and June (1008.8mbar).

Average wind speed in September
Batu, Malaysia

  • Average wind speed in September: 4.6km/h

The windiest months (with the highest average wind speed) are July and August (4.8km/h).
The calmest months (with the lowest average wind speed) are April, November and December (4km/h).

Average humidity in September
Batu, Malaysia

  • Average humidity in September: 74%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September
Batu, Malaysia

  • Average rainfall in September: 62mm

The wettest month (with the highest rainfall) is November (167mm).
The driest month (with the least rainfall) is September (62mm).

Average rainfall days in September
Batu, Malaysia

  • Average rainfall days in September: 23.3 days

The month with the highest number of rainy days is May (27.2 days).
The month with the least rainy days is June (22.3 days).

Average daylight in September /
Average sunshine in September
Batu, Malaysia

  • 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: 11h and 54min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 18min).

Average sunshine days in September
Batu, Malaysia

  • Average sunshine days in September: 4.5 days

The months with the most sunshine days are September and October (4.5 days).
The month with the least sunshine days is November (2.5 days).

Average UV index in September
Batu, Malaysia

  • Average UV index in September: 7

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

Average cloud cover in September
Batu, Malaysia

  • Average cloud cover in September: 38

The month with the most cloud cover is November (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in September
Batu, Malaysia

  • Average visibility in September: 10km

The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January and December (8km).