September weather forecastPiru, Indonesia
September
Weather in September
September, the first month of the spring in Piru, is still a warm month, with temperature in the range of an average low of 25.7°C (78.3°F) and an average high of 27.1°C (80.8°F).Temperature
September welcomes an average high-temperature of a still moderately hot 27.1°C (80.8°F), not much different from the preceding month. Nights in Piru during September maintain a steady temperature, averaging at a still moderately hot 25.7°C (78.3°F).Heat index
In September, the heat index is calculated to be a hot 30°C (86°F). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Heat index values are typically calculated for conditions of shade and a light breeze. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', ties air temperature with relative humidity to produce the perceived temperature sensation. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. 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 for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In September, the average relative humidity is 80%.Rainfall
In Piru, in September, it is raining for 14.8 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, there are 244.7 rainfall days, and 1223mm (48.15") of precipitation is accumulated.Sea temperature
In September, the average sea temperature is 27.8°C (82°F).Note: Water temperature ranging between 25°C (77°F) and 29°C (84.2°F) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.
Daylight
In September, the average length of the day is 12h and 5min.On the first day of the month, sunrise is at 06:25 and sunset at 18:28. On the last day of September, in Piru, sunrise is at 06:13 and sunset at 18:21 WIT.
Sunshine
In Piru, the average sunshine in September is 7.5h.UV index
January through May, July through December, with an average maximum UV index of 7, are months with the highest UV index in Piru. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 7 in September leads to these guidelines:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Beware! Reflections from sand and water can intensify the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Piru, Indonesia
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is December (29.4°C).
The month with the lowest average high temperature is August (26.6°C).
- Average low temperature in September: 25.7°C
The month with the highest average low temperature is December (27.9°C).
The coldest month (with the lowest average low temperature) is August (25.5°C).
Average pressure in September
Piru, Indonesia
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is August (1011.1mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Piru, Indonesia
- Average wind speed in September: 15.2km/h
The windiest month (with the highest average wind speed) is July (19.7km/h).
The calmest month (with the lowest average wind speed) is November (8.6km/h).
Average humidity in September
Piru, Indonesia
- Average humidity in September: 80%
The months with the highest relative humidity are July and August (81%).
The months with the lowest relative humidity are November and December (74%).
Average rainfall in September
Piru, Indonesia
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is June (168mm).
The driest month (with the least rainfall) is October (40mm).
Average rainfall days in September
Piru, Indonesia
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is May (23.6 days).
The month with the least rainy days is September (14.8 days).
Average sea temperature in September
Piru, Indonesia
- Average sea temperature in September: 27.8°C
The best month for swimming (with the highest average sea temperature) is December (29.8°C).
The coldest month (with the lowest average sea temperature) is August (27.6°C).
Average daylight in September /
Average sunshine in September
Piru, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is November (Average sunshine: 9h and 6min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).
Average sunshine days in September
Piru, Indonesia
- Average sunshine days in September: 11.4 days
The month with the most sunshine days is November (11.5 days).
The months with the least sunshine days are April, June and July (5.3 days).
Average UV index in September
Piru, Indonesia
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).
Average cloud cover in September
Piru, Indonesia
- Average cloud cover in September: 48
The month with the most cloud cover is July (Cloud cover 58).
The month with the least cloud cover is November (Cloud cover 30).
Average visibility in September
Piru, 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).
