September weather forecastUmari, Indonesia
September
Weather in September
The first month of the spring, September, is also a moderately hot month in Umari, Indonesia, with an average temperature ranging between max 29.6°C (85.3°F) and min 23.2°C (73.8°F).Temperature
The transition from August to September sees average high-temperatures adjusting to a still warm 29.6°C (85.3°F), identical to the previous month. Umari experiences an average low-temperature of 23.2°C (73.8°F) in the month of September.Heat index
September's mean heat index is calculated to be a fiery hot 36°C (96.8°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.Always consider that heat index estimations are for light winds and places in the shade. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Evaporating sweat, thanks to perspiration, acts as a natural air conditioner for the human body. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.
Humidity
In September, the average relative humidity is 79%.Rainfall
In Umari, in September, during 21.6 rainfall days, 83mm (3.27") of precipitation is typically accumulated. Throughout the year, there are 275.4 rainfall days, and 1289mm (50.75") of precipitation is accumulated.Daylight
In Umari, the average length of the day in September is 12h and 5min.On the first day of September, sunrise is at 05:57 and sunset at 17:59. On the last day of the month, sunrise is at 05:44 and sunset at 17:52 WIT.
Sunshine
The average sunshine in September is 8.9h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 7 during September translates into the following guidance:
Shun overexposure. Protection from sun ravages is indispensable. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Umari, Indonesia
- Average high temperature in September: 29.6°C
The warmest months (with the highest average high temperature) are November and December (30.5°C).
The month with the lowest average high temperature is July (29°C).
- Average low temperature in September: 23.2°C
The month with the highest average low temperature is December (24.5°C).
The coldest months (with the lowest average low temperature) are July and September (23.2°C).
Average pressure in September
Umari, Indonesia
- Average pressure in September: 1010.9mbar
The months with the highest atmospheric pressure are August and September (1010.9mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Umari, Indonesia
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is August (6.4km/h).
The calmest month (with the lowest average wind speed) is May (5.4km/h).
Average humidity in September
Umari, Indonesia
- Average humidity in September: 79%
The months with the highest relative humidity are June and July (80%).
The month with the lowest relative humidity is January (74%).
Average rainfall in September
Umari, Indonesia
- Average rainfall in September: 83mm
The wettest month (with the highest rainfall) is March (142mm).
The driest month (with the least rainfall) is August (82mm).
Average rainfall days in September
Umari, Indonesia
- Average rainfall days in September: 21.6 days
The months with the highest number of rainy days are April and May (24.8 days).
The month with the least rainy days is January (21.3 days).
Average daylight in September /
Average sunshine in September
Umari, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is December (Average sunshine: 10h and 6min).
The month with the least sunshine is June (Average sunshine: 7h and 36min).
Average sunshine days in September
Umari, Indonesia
- Average sunshine days in September: 7.3 days
The month with the most sunshine days is January (8.4 days).
The month with the least sunshine days is April (4.2 days).
Average UV index in September
Umari, Indonesia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Umari, Indonesia
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 34).
Average visibility in September
Umari, 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).
