September weather forecastSemoyo, Indonesia
September
Weather in September
September, the first month of the spring in Semoyo, is still a warm month, with temperature in the range of an average low of 21.3°C (70.3°F) and an average high of 28.5°C (83.3°F).Temperature
The beginning of September records an average high-temperature of a still moderately hot 28.5°C (83.3°F), almost echoing the conditions of the previous month. During September, Semoyo sees a mean low-temperature of 21.3°C (70.3°F).Heat index
September's heat index is calculated to be a tropical 33°C (91.4°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.The standards for the heat index are set for locations in shade and under light breezes. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'real feel' or 'apparent temperature', comes about by integrating the temperature readings with the humidity levels. The individual's temperature perception can be influenced by numerous factors such as metabolic variations, physical activity, and clothing. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 80%.Rainfall
In Semoyo, in September, it is raining for 17.1 days, with typically 52mm (2.05") of accumulated precipitation. In Semoyo, 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 05:39 and sunset at 17:36. On the last day of September, sunrise is at 05:22 and sunset at 17:33 WIB.
Sunshine
In Semoyo, Indonesia, the average sunshine in September is 8.8h.UV index
The months with the lowest UV index in Semoyo, Indonesia, are January, April through September, November and December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Semoyo, 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
Semoyo, 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
Semoyo, 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
Semoyo, 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
Semoyo, 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
Semoyo, 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
Semoyo, 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 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).
Average sunshine days in September
Semoyo, 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
Semoyo, 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
Semoyo, 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
Semoyo, 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).
