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 marks the average high-temperature at a still moderately hot 28.3°C (82.9°F), differing minimally from August's 27.2°C (81°F). Throughout September, an average nighttime temperature of 20.5°C (68.9°F) is experienced in Semampir.Heat index
In September, the average heat index is appraised at a tropical 33°C (91.4°F). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.One should consider that heat index numbers are for shaded settings and light wind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', determines the feeling of heat when you account for the relative humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September in Semampir is 81%.Rainfall
In Semampir, Indonesia, in September, during 13.4 rainfall days, 27mm (1.06") of precipitation is typically accumulated. Throughout the year, in Semampir, Indonesia, there are 274.5 rainfall days, and 1388mm (54.65") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of the month, sunrise is at 05:29 and sunset at 17:28. On the last day of September, sunrise is at 05:13 and sunset at 17:23 WIB.
Sunshine
In Semampir, the average sunshine in September is 9.2h.UV index
January, March, May through September and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
How hot is September in Semampir?
What is the average humidity in September in Semampir?
How many days does it rain in September in Semampir?
How many hours of daylight does Semampir have in September?
When is the sunrise / sunset in September in Semampir?
How many hours of sunshine does Semampir have in September?
What are the months with the lowest UV index in Semampir?
What is the UV index reading in September in Semampir?
Average temperature in September
Semampir, Indonesia
- Average high temperature in September: 28.3°C
The warmest months (with the highest average high temperature) are October and November (29.3°C).
The month with the lowest average high temperature is July (27°C).
- Average low temperature in September: 20.5°C
The months with the highest average low temperature are January and December (23°C).
The coldest month (with the lowest average low temperature) is September (20.5°C).
Average pressure in September
Semampir, Indonesia
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is August (1012mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in September
Semampir, Indonesia
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is August (7.1km/h).
The calmest months (with the lowest average wind speed) are March and April (4.8km/h).
Average humidity in September
Semampir, Indonesia
- Average humidity in September: 81%
The months with the highest relative humidity are March, April, May, June and July (84%).
The month with the lowest relative humidity is October (79%).
Average rainfall in September
Semampir, Indonesia
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is January (232mm).
The driest month (with the least rainfall) is August (12mm).
Average rainfall days in September
Semampir, Indonesia
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is January (30.9 days).
The month with the least rainy days is August (11 days).
Average daylight in September /
Average sunshine in September
Semampir, 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: 9h and 1min
The month with the most sunshine is October (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 36min).
Average sunshine days in September
Semampir, Indonesia
- Average sunshine days in September: 12.7 days
The month with the most sunshine days is August (16.6 days).
The month with the least sunshine days is January (0 days).
Average UV index in September
Semampir, Indonesia
- Average UV index in September: 6
The months with the highest UV index are February, April, October and November (UV index 7).
The months with the lowest UV index are January, March, May, June, July, August, September and December (UV index 6).
Average cloud cover in September
Semampir, Indonesia
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in September
Semampir, Indonesia
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, March, April, May, July, September, October, November and December (9km).
Semampir, Indonesia
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