September weather forecastKerta, Indonesia
September
Weather in September
The first month of the spring, September, is still a warm month in Kerta, Indonesia, with temperature in the range of an average high of 27.3°C (81.1°F) and an average low of 21.5°C (70.7°F).Temperature
The weather during September records an average high-temperature of a still moderately hot 27.3°C (81.1°F), closely mirroring the preceding month. Kerta experiences a nighttime temperature average of 21.5°C (70.7°F) during September.Heat index
In September, the heat index is appraised at a hot 31°C (87.8°F). One might feel worn out with persistent exposure and activity, resulting in heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are essentially critical for children. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.
Humidity
In September, the average relative humidity in Kerta is 83%.Rainfall
In September, the rain falls for 13.9 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Kerta, during the entire year, the rain falls for 247.2 days and collects up to 1065mm (41.93") of precipitation.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 06:20 and sunset at 18:17. On the last day of September, in Kerta, sunrise is at 06:03 and sunset at 18:13 WITA.
Sunshine
In September, the average sunshine is 8.2h.UV index
The months with the lowest UV index are January, May through September, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 6 in September translates into the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. From 10 a.m. to 4 p.m., when UV radiation is at its strongest, limit direct exposure to the Sun and note that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kerta, Indonesia
- Average high temperature in September: 27.3°C
The warmest months (with the highest average high temperature) are February, March and November (28.8°C).
The month with the lowest average high temperature is July (26.4°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is December (23.9°C).
The coldest month (with the lowest average low temperature) is August (21.2°C).
Average pressure in September
Kerta, Indonesia
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is August (1011.9mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in September
Kerta, Indonesia
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is July (10.1km/h).
The calmest month (with the lowest average wind speed) is March (5.9km/h).
Average humidity in September
Kerta, Indonesia
- Average humidity in September: 83%
The months with the highest relative humidity are June and July (85%).
The months with the lowest relative humidity are January and October (82%).
Average rainfall in September
Kerta, Indonesia
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is December (147mm).
The driest month (with the least rainfall) is August (23mm).
Average rainfall days in September
Kerta, Indonesia
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is December (26.4 days).
The month with the least rainy days is September (13.9 days).
Average daylight in September /
Average sunshine in September
Kerta, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 36min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is October (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Kerta, Indonesia
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is October (12.9 days).
The month with the least sunshine days is December (4 days).
Average UV index in September
Kerta, Indonesia
- Average UV index in September: 6
The months with the highest UV index are February, March, April, October, November and December (UV index 7).
The months with the lowest UV index are January, May, June, July, August and September (UV index 6).
Average cloud cover in September
Kerta, Indonesia
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 33).
Average visibility in September
Kerta, Indonesia
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
