September weather forecastSamirono, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Samirono, Indonesia, with an average temperature varying between 28.5°C (83.3°F) and 21.3°C (70.3°F).Temperature
Samirono's shift into September is marked by a subtle change to a still moderately hot 28.5°C (83.3°F) from August's 28°C (82.4°F) in temperature. In the month of September, Samirono witnesses a consistent average low-temperature of 21.3°C (70.3°F).Heat index
For most parts of September, the heat index is estimated at a tropical 33°C (91.4°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
Humidity
The months with the lowest humidity in Samirono are September and October, with an average relative humidity of 80%.Rainfall
In Samirono, in September, it is raining for 17.1 days, with typically 52mm (2.05") of accumulated precipitation. In Samirono, during the entire year, the rain falls for 293.9 days and collects up to 1749mm (68.86") of precipitation.Daylight
The average length of the day in September is 12h and 4min.On the first day of the month, sunrise is at 05:38 and sunset at 17:37. On the last day of September, in Samirono, sunrise is at 05:23 and sunset at 17:33 WIB.
Sunshine
In Samirono, the average sunshine in September is 8.8h.UV index
The months with the lowest UV index in Samirono are January, April through September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 6 in September leads to these recommendations:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Samirono, Indonesia
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is July (27.7°C).
- Average low temperature in September: 21.3°C
The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).
Average pressure in September
Samirono, Indonesia
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Samirono, Indonesia
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).
Average humidity in September
Samirono, Indonesia
- Average humidity in September: 80%
The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).
Average rainfall in September
Samirono, Indonesia
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is March (236mm).
The driest month (with the least rainfall) is August (29mm).
Average rainfall days in September
Samirono, Indonesia
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.8 days).
Average daylight in September /
Average sunshine in September
Samirono, Indonesia
- Average daylight in September: 12h and 6min
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 48min
The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in September
Samirono, Indonesia
- Average sunshine days in September: 7.5 days
The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January and February (0.4 days).
Average UV index in September
Samirono, Indonesia
- Average UV index in September: 6
The months with the highest UV index are February, March and October (UV index 7).
The months with the lowest UV index are January, April, May, June, July, August, September, November and December (UV index 6).
Average cloud cover in September
Samirono, Indonesia
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in September
Samirono, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).





