September weather forecastBitung, Indonesia
September
Weather in September
The first month of the autumn, September, is still a warm month in Bitung, Indonesia, with an average temperature fluctuating between 24.6°C (76.3°F) and 29.7°C (85.5°F).Temperature
The onset of September manifests an average high-temperature of a still warm 29.7°C (85.5°F), demonstrating a minor variation from the preceding month. During September, Bitung's temperature falls to a steady low-temperature average of 24.6°C (76.3°F).Heat index
The heat index value for September is evaluated at a sweltering 36°C (96.8°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', marries air temperature and humidity to produce a value illustrating perceived warmth. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
One way the human body deals with excessive warmth is by perspiring and allowing sweat to evaporate. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Rising body temperatures due to excess heat retention could signify impending heat disorders.
Humidity
The months with the lowest humidity are September and October, with an average relative humidity of 78%.Rainfall
In Bitung, Indonesia, during September, the rain falls for 15.6 days and regularly aggregates up to 46mm (1.81") of precipitation. In Bitung, during the entire year, the rain falls for 263.2 days and collects up to 1159mm (45.63") of precipitation.Sea temperature
The months with the coldest seawater are August and September, with an average sea temperature of 28.3°C (82.9°F).Note: Swimming, diving, and other water activities in the temperature range of 25°C (77°F) to 29°C (84.2°F) are perceived as very enjoyable and comfortable for prolonged durations.
Daylight
In September, the average length of the day in Bitung is 12h and 7min.On the first day of the month, sunrise is at 05:35 and sunset at 17:43. On the last day of September, sunrise is at 05:26 and sunset at 17:32 WITA.
Sunshine
The months with the most sunshine are September and October, with an average of 9.2h of sunshine.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 reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take warning! Reflective sand and water surfaces intensify the Sun's UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bitung, Indonesia
- Average high temperature in September: 29.7°C
The warmest month (with the highest average high temperature) is October (30°C).
The month with the lowest average high temperature is February (28.3°C).
- Average low temperature in September: 24.6°C
The months with the highest average low temperature are May and November (25.4°C).
The coldest month (with the lowest average low temperature) is September (24.6°C).
Average pressure in September
Bitung, Indonesia
- Average pressure in September: 1010.1mbar
The month with the highest atmospheric pressure is September (1010.1mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in September
Bitung, Indonesia
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is August (15.2km/h).
The calmest month (with the lowest average wind speed) is November (6.9km/h).
Average humidity in September
Bitung, Indonesia
- Average humidity in September: 78%
The month with the highest relative humidity is March (82%).
The months with the lowest relative humidity are September and October (78%).
Average rainfall in September
Bitung, Indonesia
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is January (139mm).
The driest month (with the least rainfall) is August (40mm).
Average rainfall days in September
Bitung, Indonesia
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is December (26.9 days).
The month with the least rainy days is August (13.3 days).
Average sea temperature in September
Bitung, Indonesia
- Average sea temperature in September: 28.3°C
The best months for swimming (with the highest average sea temperature) are May and November (29.7°C).
The coldest months (with the lowest average sea temperature) are August and September (28.3°C).
Average daylight in September /
Average sunshine in September
Bitung, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in September: 9h and 12min
The months with the most sunshine are September and October (Average sunshine: 9h and 12min).
The months with the least sunshine are January and February (Average sunshine: 8h and 0min).
Average sunshine days in September
Bitung, Indonesia
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is August (16.6 days).
The month with the least sunshine days is December (2.5 days).
Average UV index in September
Bitung, 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
Bitung, Indonesia
- Average cloud cover in September: 28
The month with the most cloud cover is January (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in September
Bitung, 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).
