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
Weather in September
Temperature
The transition into September shows a subtle variation to a still moderately hot 27.4°C (81.3°F) from August's 27.2°C (81°F) in the average high-temperature. Rembes's nights in September experience an average temperature drop to an agreeable 22°C (71.6°F).Heat index
The heat index in September is computed to be a hot 31°C (87.8°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
Humidity
In September, the average relative humidity is 81%.Rainfall
In Rembes, in September, during 21.1 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Rembes, during the entire year, the rain falls for 292.6 days and collects up to 1477mm (58.15") of precipitation.Daylight
In September, the average length of the day is 12h and 4min.On the first day of September in Rembes, sunrise is at 05:38 and sunset at 17:37. On the last day of the month, sunrise is at 05:22 and sunset at 17:32 WIB.
Sunshine
In Rembes, the average sunshine in September is 8.7h.UV index
The months with the lowest UV index are January, June through September, November and December, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 6 translates into these guidelines:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Rembes?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Rembes have in September?
What are the months with the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
Rembes, Indonesia
- Average high temperature in September: 27.4°C
The warmest months (with the highest average high temperature) are February, March and April (29°C).
The month with the lowest average high temperature is July (27°C).
- Average low temperature in September: 22°C
The month with the highest average low temperature is April (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.7°C).
Average pressure in September
Rembes, Indonesia
- Average pressure in September: 1011.8mbar
The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in September
Rembes, Indonesia
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is August (13km/h).
The calmest month (with the lowest average wind speed) is March (7.1km/h).
Average humidity in September
Rembes, Indonesia
- Average humidity in September: 81%
The months with the highest relative humidity are June and July (83%).
The months with the lowest relative humidity are January, March, October and December (80%).
Average rainfall in September
Rembes, Indonesia
- Average rainfall in September: 46mm
The wettest months (with the highest rainfall) are January and March (185mm).
The driest month (with the least rainfall) is August (28mm).
Average rainfall days in September
Rembes, Indonesia
- Average rainfall days in September: 21.1 days
The month with the highest number of rainy days is January (28 days).
The month with the least rainy days is August (18.2 days).
Average daylight in September /
Average sunshine in September
Rembes, 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 4min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 42min).
Average sunshine days in September
Rembes, Indonesia
- Average sunshine days in September: 3.7 days
The month with the most sunshine days is July (5.5 days).
The month with the least sunshine days is February (1.2 days).
Average UV index in September
Rembes, Indonesia
- Average UV index in September: 6
The months with the highest UV index are February, March, April, May and October (UV index 7).
The months with the lowest UV index are January, June, July, August, September, November and December (UV index 6).
Average cloud cover in September
Rembes, Indonesia
- Average cloud cover in September: 40
The months with the most cloud cover are January and December (Cloud cover 47).
The months with the least cloud cover are May, June and August (Cloud cover 36).
Average visibility in September
Rembes, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are February, March, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, April and November (9km).
Rembes, Indonesia
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