September weather forecastManokwari, Indonesia
September
Weather in September
The first month of the spring, September, is still a warm month in Manokwari, Indonesia, with an average temperature ranging between min 23°C (73.4°F) and max 27.5°C (81.5°F).Temperature
The initiation of September sees a high-temperature average of a still moderately hot 27.5°C (81.5°F), identical to the preceding month. Manokwari in September observes a slight diminution in temperature from daily highs, recording a low-temperature average of 23°C (73.4°F).Heat index
During September, the heat index is calculated to be a tropical 31°C (87.8°F). With ongoing exposure and activity, one might experience weariness, and heat cramps could ensue.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
Humidity
The months with the lowest humidity are July through October, with an average relative humidity of 78%.Rainfall
September is the month with the least rainfall in Manokwari, Indonesia. Rain falls for 27 days and accumulates 102mm (4.02") of precipitation.Sea temperature
In Manokwari, in September, the average water temperature is 29.7°C (85.5°F).Note: Water temperatures from 25°C (77°F) to 29°C (84.2°F) make swimming, diving, and similar activities highly pleasurable and enjoyable for long periods without discomfort.
Daylight
In September, the average length of the day is 12h and 7min.On the first day of the month, sunrise is at 06:00 and sunset at 18:06. On the last day of September, sunrise is at 05:50 and sunset at 17:57 WIT.
Sunshine
In Manokwari, the average sunshine in September is 9.9h.UV index
January through December, with an average maximum UV index of 6, are months with the highest UV index in Manokwari. The months with the lowest UV index are January through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 6 translates into these guidelines:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. 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
Manokwari, Indonesia
- Average high temperature in September: 27.5°C
The warmest month (with the highest average high temperature) is October (28°C).
The months with the lowest average high temperature are January and March (27°C).
- Average low temperature in September: 23°C
The month with the highest average low temperature is December (24.1°C).
The coldest month (with the lowest average low temperature) is September (23°C).
Average pressure in September
Manokwari, Indonesia
- Average pressure in September: 1010mbar
The month with the highest atmospheric pressure is September (1010mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed in September
Manokwari, Indonesia
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is May (6.2km/h).
Average humidity in September
Manokwari, Indonesia
- Average humidity in September: 78%
The months with the highest relative humidity are March and April (82%).
The months with the lowest relative humidity are July, August, September and October (78%).
Average rainfall in September
Manokwari, Indonesia
- Average rainfall in September: 102mm
The wettest month (with the highest rainfall) is April (225mm).
The driest month (with the least rainfall) is September (102mm).
Average rainfall days in September
Manokwari, Indonesia
- Average rainfall days in September: 27 days
The month with the highest number of rainy days is April (27.9 days).
The month with the least rainy days is February (21.9 days).
Average sea temperature in September
Manokwari, Indonesia
- Average sea temperature in September: 29.7°C
The best months for swimming (with the highest average sea temperature) are May, October and November (29.8°C).
The coldest month (with the lowest average sea temperature) is March (29.2°C).
Average daylight in September /
Average sunshine in September
Manokwari, Indonesia
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is March (Average sunshine: 7h and 54min).
Average sunshine days in September
Manokwari, Indonesia
- Average sunshine days in September: 0.9 days
The month with the most sunshine days is January (5.2 days).
The month with the least sunshine days is September (0.9 days).
Average UV index in September
Manokwari, Indonesia
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Manokwari, Indonesia
- Average cloud cover in September: 34
The months with the most cloud cover are March and April (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 33).
Average visibility in September
Manokwari, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are January, February, June, August, September, October and December (10km).
The months with the lowest visibility are March, April, May, July and November (9km).
