Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Temperature readings reach their annual highs in September, averaging 28.2°C (82.8°F) and a minimum average of 18.3°C (64.9°F).Heat index
In September, the average heat index is estimated at a hot 32°C (89.6°F). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'feels like' or 'real feel', gives a temperature feeling by integrating air temperature and humidity. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young ones generally face higher dangers than adults since they sweat less. Along with their large skin surface area compared totheir small bodies and increased heat production from their activities, the risks are heightened.
Humidity
The least humid month is September, with an average relative humidity of 78%.Rainfall
In Cikawao, during September, the rain falls for 10.8 days and regularly aggregates up to 13mm (0.51") of precipitation. Throughout the year, there are 156.4 rainfall days, and 688mm (27.09") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:50 and sunset at 17:48. On the last day of the month, sunrise is at 05:34 and sunset at 17:44 WIB.
Sunshine
With an average of 8.9h of sunshine, September has the most sunshine of the year.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index. The months with the lowest UV index in Cikawao are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The UV index of 6 during September translates into the following guidance:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
How hot is September?
What is the least humid month?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Cikawao have in September?
When are sunrise and sunset in September?
What month has the most sunshine?
How long on average sun shines in September?
When is the highest UV index?
When is the lowest UV index?
What is the UV index reading in September?
Average temperature in September
Cikawao, Indonesia
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is September (28.2°C).
The month with the lowest average high temperature is July (26.4°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is December (20.8°C).
The coldest month (with the lowest average low temperature) is August (17.8°C).
Average pressure in September
Cikawao, Indonesia
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is September (1011.6mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in September
Cikawao, Indonesia
- Average wind speed in September: 6.2km/h
The windiest months (with the highest average wind speed) are August and September (6.2km/h).
The calmest month (with the lowest average wind speed) is April (3.9km/h).
Average humidity in September
Cikawao, Indonesia
- Average humidity in September: 78%
The months with the highest relative humidity are April and May (86%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Cikawao, Indonesia
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is March (111mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in September
Cikawao, Indonesia
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is August (8.2 days).
Average daylight in September /
Average sunshine in September
Cikawao, 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: 8h and 5min
The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is July (Average sunshine: 6h and 36min).
Average sunshine days in September
Cikawao, Indonesia
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Cikawao, Indonesia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Cikawao, Indonesia
- Average cloud cover in September: 37
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Cikawao, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are January, September and December (9km).
The months with the lowest visibility are April, May and July (7km).
