September weather forecastBerekua, Dominica
September
Weather in September
With the transition from August into September, Berekua's weather conditions experience a few slight regressions. Despite a reduction in rainfall from 78mm (3.07") to 70mm (2.76"), September remains within the wet period established since July. Observing the meteorological elements, a decline in sea temperatures, daylight, and wind signifies a fall in temperatures and calmer days. Continuity marks the other elements, with the overall temperatures, pressure, and humidity maintaining their levels from August.Temperature
August through October mark Berekua's peak of temperatures, averaging a high-temperature of 28.6°C (83.5°F).Heat index
For most parts of September, the heat index is calculated to be a hot 33°C (91.4°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', provides an understanding of perceived warmth by combining temperature and relative humidity. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. 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 highly critical to babies and toddlers. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In Berekua, the average relative humidity in September is 76%.Rainfall
In Berekua, in September, during 19.7 rainfall days, 70mm (2.76") of precipitation is typically accumulated. In Berekua, during the entire year, the rain falls for 221.9 days and collects up to 570mm (22.44") of precipitation.Sea temperature
The month with the warmest seawater in Berekua is September, with an average sea temperature of 29.4°C (84.9°F).Note: Water temperature from 25°C (77°F) to 29°C (84.2°F) is considered very warm, making water activities enjoyable for prolonged periods without any uncomfortable sensations.
Daylight
In September, the average length of the day is 12h and 13min.On the first day of the month, sunrise is at 05:52 and sunset at 18:17. On the last day of September, in Berekua, Dominica, sunrise is at 05:54 and sunset at 17:55 AST.
Sunshine
In September, the average sunshine is 10.2h.UV index
The months with the highest UV index in Berekua are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Berekua are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 7 translates into these guidelines:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Attention! UV radiation is ramped up when reflecting off sand and water surfaces.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Berekua, Dominica
- Average high temperature in September: 28.6°C
The warmest months (with the highest average high temperature) are August, September and October (28.6°C).
The months with the lowest average high temperature are February and March (26.3°C).
- Average low temperature in September: 27.1°C
The month with the highest average low temperature is September (27.1°C).
The coldest month (with the lowest average low temperature) is March (24.1°C).
Average pressure in September
Berekua, Dominica
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Berekua, Dominica
- Average wind speed in September: 20.4km/h
The windiest month (with the highest average wind speed) is January (27.2km/h).
The calmest month (with the lowest average wind speed) is October (20.2km/h).
Average humidity in September
Berekua, Dominica
- Average humidity in September: 76%
The months with the highest relative humidity are July and August (78%).
The months with the lowest relative humidity are January, February and March (75%).
Average rainfall in September
Berekua, Dominica
- Average rainfall in September: 70mm
The wettest month (with the highest rainfall) is August (78mm).
The driest month (with the least rainfall) is February (20mm).
Average rainfall days in September
Berekua, Dominica
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is October (21.5 days).
The month with the least rainy days is June (14.8 days).
Average sea temperature in September
Berekua, Dominica
- Average sea temperature in September: 29.4°C
The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (26.8°C).
Average daylight in September /
Average sunshine in September
Berekua, Dominica
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Berekua, Dominica
- Average sunshine days in September: 7.3 days
The month with the most sunshine days is March (9.8 days).
The month with the least sunshine days is April (5.9 days).
Average UV index in September
Berekua, Dominica
- 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
Berekua, Dominica
- Average cloud cover in September: 36
The months with the most cloud cover are June and July (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 33).
Average visibility in September
Berekua, Dominica
- 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).





