September weather forecastKaliwiru, Indonesia
September
Weather in September
The first month of the spring, September, is still a hot month in Kaliwiru, Indonesia, with an average temperature ranging between max 33.2°C (91.8°F) and min 23.8°C (74.8°F).Temperature
The beginning of September reveals an average high-temperature of a still hot 33.2°C (91.8°F), showing minimal deviation from the previous month. Throughout the month of September, the nighttime temperature dips to an average of 23.8°C (74.8°F).Heat index
The heat index for September is evaluated at a blisteringly hot 42°C (107.6°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.It is crucial to understand that heat index figures are for shade and gentle wind conditions. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is achieved by amalgamating air temperature with the relative humidity readings. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Sweat evaporation, driven by perspiration, is the method the human body uses to rid itself of excessive warmth. When relative humidity is on the rise, it curtails evaporation, thereby reducing the heat elimination from the body and causing the feeling of being excessively hot. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The least humid month is September, with an average relative humidity of 66%.Rainfall
In Kaliwiru, during September, the rain falls for 10.8 days and regularly aggregates up to 24mm (0.94") of precipitation. In Kaliwiru, during the entire year, the rain falls for 226.7 days and collects up to 1000mm (39.37") of precipitation.Daylight
In September, the average length of the day is 12h and 4min.On the first day of September, sunrise is at 05:38 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 WIB.
Sunshine
In September, the average sunshine is 9.7h.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 7 in September translates into this advice:
Fend off overexposure. Sun protection is vital. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kaliwiru, Indonesia
- Average high temperature in September: 33.2°C
The warmest month (with the highest average high temperature) is October (33.5°C).
The month with the lowest average high temperature is January (29.7°C).
- Average low temperature in September: 23.8°C
The month with the highest average low temperature is November (25.4°C).
The coldest month (with the lowest average low temperature) is July (23°C).
Average pressure in September
Kaliwiru, Indonesia
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is September (1011.4mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Kaliwiru, Indonesia
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is January (10.1km/h).
The calmest month (with the lowest average wind speed) is April (5.8km/h).
Average humidity in September
Kaliwiru, Indonesia
- Average humidity in September: 66%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is September (66%).
Average rainfall in September
Kaliwiru, Indonesia
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is January (163mm).
The driest month (with the least rainfall) is August (14mm).
Average rainfall days in September
Kaliwiru, Indonesia
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is January (25.3 days).
The month with the least rainy days is August (8.9 days).
Average daylight in September /
Average sunshine in September
Kaliwiru, 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: 9h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 8h and 12min).
Average sunshine days in September
Kaliwiru, Indonesia
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is November (3 days).
Average UV index in September
Kaliwiru, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in September
Kaliwiru, Indonesia
- Average cloud cover in September: 23
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Kaliwiru, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April and May (9km).
