September weather forecastKoinawa, Kiribati
September
Weather in September
Towards the end of the dry season, Koinawa in September retains its charm, offering warm temperatures and longer sunshine days. As the city transitions to the wetter months, there's a marginal increase in rainfall. The city celebrates its lowest monthly rainfall of 54mm (2.13") before moving into the last quarter of the year. The alteration in weather does not disrupt enjoyment and outdoor activity, as the tropical beauty of Koinawa is at full display during September. Despite the slight increase in humidity, many enjoy the September weather as it provides a comfortable climate for activities.Temperature
The average high-temperature during September registers at a still moderately hot 28.5°C (83.3°F), closely corresponding to the preceding month. Koinawa's temperature during September nights registers a minor decrease to an average low of 27.6°C (81.7°F).Heat index
For most parts of September, the heat index is calculated to be a tropical 32°C (89.6°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.For clarity, heat index numbers account for light winds and areas under shade. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
Humidity
August through November, with an average relative humidity of 74%, are the least humid months.Rainfall
The month with the least rainfall in Koinawa, Kiribati, is September, when the rain falls for 13.2 days and typically collects 54mm (2.13") of precipitation.Daylight
In September, the average length of the day in Koinawa is 12h and 8min.On the first day of September, sunrise is at 06:23 and sunset at 18:32. On the last day of the month, sunrise is at 06:15 and sunset at 18:21 +12.
Sunshine
The month with the most sunshine is September, with an average of 8.6h of sunshine.UV index
The months with the highest UV index in Koinawa, Kiribati, are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Koinawa are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Beware of overexposure. Fair-skinned individuals risk burning in less than 20 minutes. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koinawa, Kiribati
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is June (28.8°C).
The month with the lowest average high temperature is February (28.1°C).
- Average low temperature in September: 27.6°C
The month with the highest average low temperature is September (27.6°C).
The coldest month (with the lowest average low temperature) is March (27°C).
Average pressure in September
Koinawa, Kiribati
- Average pressure in September: 1009.4mbar
The month with the highest atmospheric pressure is September (1009.4mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).
Average wind speed in September
Koinawa, Kiribati
- Average wind speed in September: 17.8km/h
The windiest month (with the highest average wind speed) is February (22.3km/h).
The calmest month (with the lowest average wind speed) is October (15.5km/h).
Average humidity in September
Koinawa, Kiribati
- Average humidity in September: 74%
The months with the highest relative humidity are February, March and April (79%).
The months with the lowest relative humidity are August, September, October and November (74%).
Average rainfall in September
Koinawa, Kiribati
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is March (181mm).
The driest month (with the least rainfall) is September (54mm).
Average rainfall days in September
Koinawa, Kiribati
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is April (20.3 days).
The month with the least rainy days is November (11.1 days).
Average daylight in September /
Average sunshine in September
Koinawa, Kiribati
- 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: 8h and 36min
The month with the most sunshine is September (Average sunshine: 8h and 36min).
The months with the least sunshine are February and March (Average sunshine: 7h and 24min).
Average sunshine days in September
Koinawa, Kiribati
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is April (8.2 days).
Average UV index in September
Koinawa, Kiribati
- 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
Koinawa, Kiribati
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is September (Cloud cover 36).
Average visibility in September
Koinawa, Kiribati
- 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).
