September weather forecastGerem, Indonesia
September
Weather in September
September, the first month of the spring in Gerem, is still a hot month, with an average temperature varying between 25.1°C (77.2°F) and 30.8°C (87.4°F).Temperature
The shift into September reveals an average high-temperature of a still hot 30.8°C (87.4°F), closely mirroring August's climate. The average temperature during September nights is registered at a warm 25.1°C (77.2°F).Heat index
During September, the heat index is computed to be a fiery hot 37°C (98.6°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.Heat index data is primarily for areas with shade and subjected to light winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for 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.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
September and October, with an average relative humidity of 71%, are the least humid months in Gerem.Rainfall
In September, the rain falls for 11.3 days. Throughout September, 28mm (1.1") of precipitation is accumulated. Throughout the year, there are 245 rainfall days, and 1088mm (42.83") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 4min.On the first day of September in Gerem, sunrise is at 05:55 and sunset at 17:55. On the last day of the month, sunrise is at 05:41 and sunset at 17:50 WIB.
Sunshine
The months with the most sunshine in Gerem are September and October, with an average of 9.1h of sunshine.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Gerem. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gerem, Indonesia
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is October (31.5°C).
The month with the lowest average high temperature is January (29.5°C).
- Average low temperature in September: 25.1°C
The month with the highest average low temperature is May (26.5°C).
The coldest month (with the lowest average low temperature) is August (25°C).
Average pressure in September
Gerem, Indonesia
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is September (1011mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Gerem, Indonesia
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is September (6.8km/h).
Average humidity in September
Gerem, Indonesia
- Average humidity in September: 71%
The months with the highest relative humidity are February and March (77%).
The months with the lowest relative humidity are September and October (71%).
Average rainfall in September
Gerem, Indonesia
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is January (175mm).
The driest month (with the least rainfall) is August (21mm).
Average rainfall days in September
Gerem, Indonesia
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is March (26.3 days).
The month with the least rainy days is August (9.8 days).
Average daylight in September /
Average sunshine in September
Gerem, 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 48min).
- Average sunshine in September: 9h and 6min
The months with the most sunshine are September and October (Average sunshine: 9h and 6min).
The month with the least sunshine is June (Average sunshine: 7h and 0min).
Average sunshine days in September
Gerem, Indonesia
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is August (18.8 days).
The month with the least sunshine days is February (1.4 days).
Average UV index in September
Gerem, 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
Gerem, Indonesia
- Average cloud cover in September: 26
The months with the most cloud cover are January and December (Cloud cover 50).
The months with the least cloud cover are August and September (Cloud cover 26).
Average visibility in September
Gerem, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
