Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Delices's temperatures tend to hit their maximum during August through October, with an average high-temperature of 28.6°C (83.5°F).Heat index
The average heat index in September is evaluated at a tropical 33°C (91.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.Note that heat index values are valued for light wind and location in the shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. A person's impression of weather can be swayed by numerous aspects, among them metabolic variations, pregnancy, and activity levels. 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 remain especially vital for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In Delices, the average relative humidity in September is 76%.Rainfall
In Delices, Dominica, during September, the rain falls for 19.7 days and regularly aggregates up to 70mm (2.76") of precipitation. Throughout the year, in Delices, Dominica, there are 221.9 rainfall days, and 570mm (22.44") of precipitation is accumulated.Daylight
In September, the average length of the day in Delices 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 Delices, sunrise is at 05:54 and sunset at 17:54 AST.
Sunshine
The average sunshine in September in Delices is 10.2h.UV index
The months with the highest UV index in Delices, Dominica, are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Delices are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Delices?
How hot does it get in Delices in September?
What is the average humidity in September in Delices?
How much does it rain in Delices in September?
What is the average length of the day in September in Delices?
What time are sunrise and sunset in September in Delices?
How many hours of sunshine does Delices have in September?
What is the month with the highest UV index in Delices?
When is the lowest UV index in Delices?
What is the UV index intensity in September in Delices?
Average temperature in September
Delices, 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
Delices, 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
Delices, 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
Delices, 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
Delices, 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
Delices, 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 daylight in September /
Average sunshine in September
Delices, Dominica
- Average daylight in September: 12h and 1min
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 1min
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
Delices, 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
Delices, 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
Delices, 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
Delices, 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).
