September weather forecastSelo, Indonesia
September
Weather in September
September, the first month of the spring in Selo, is still a warm month, with an average temperature varying between 28.3°C (82.9°F) and 22.1°C (71.8°F).Temperature
September reports an average high-temperature of a still moderately hot 28.3°C (82.9°F), slightly varied from August's 27.9°C (82.2°F). Selo reports an average nighttime low-temperature of 22.1°C (71.8°F) in September.Heat index
During September, the heat index is estimated at a tropical 33°C (91.4°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Heat index determinations are made taking into account the shade and light air movements. 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', embodies the combination of air temperature and moisture content to illustrate perceived heat. A person's impression of weather can be shaped by several aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 79%.Rainfall
In Selo, in September, during 13.9 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In Selo, during the entire year, the rain falls for 245 days and collects up to 906mm (35.67") of precipitation.Daylight
In Selo, the average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:39 and sunset at 17:37. On the last day of September, sunrise is at 05:23 and sunset at 17:33 WIB.
Sunshine
In September, the average sunshine is 8.8h.UV index
February through May, September through December, with an average maximum UV index of 7, are months with the highest UV index in Selo. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 7 suggests these recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Selo, Indonesia
- Average high temperature in September: 28.3°C
The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is July (27.8°C).
- Average low temperature in September: 22.1°C
The months with the highest average low temperature are January and November (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).
Average pressure in September
Selo, Indonesia
- Average pressure in September: 1011.9mbar
The months with the highest atmospheric pressure are August and September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in September
Selo, Indonesia
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is August (14.5km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).
Average humidity in September
Selo, Indonesia
- Average humidity in September: 79%
The months with the highest relative humidity are May and June (82%).
The months with the lowest relative humidity are September and October (79%).
Average rainfall in September
Selo, Indonesia
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is January (126mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in September
Selo, Indonesia
- Average rainfall days in September: 13.9 days
The months with the highest number of rainy days are January, March and November (24.7 days).
The month with the least rainy days is August (11.4 days).
Average daylight in September /
Average sunshine in September
Selo, 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 42min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is February (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in September
Selo, Indonesia
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is August (11.6 days).
The month with the least sunshine days is November (3.4 days).
Average UV index in September
Selo, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are January, June, July and August (UV index 6).
Average cloud cover in September
Selo, Indonesia
- Average cloud cover in September: 39
The months with the most cloud cover are January and December (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in September
Selo, 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).
