September weather forecast
Good Hope, Dominica

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Weather in September

The weather in September in Good Hope, Dominica loosely mirrors that of August. But a marked decrease in wind speeds brings a calmer ambience to the moist surroundings, enhancing the tropical feel. Alongside, daylight hours undergo a slight reduction, although ample sunshine still prevails. Rainfall quantitatively lowers to 70mm (2.76") but persists as the dominant weather element. The temperature range registers a minor shift with values from 27.1°C (80.8°F) to 28.6°C (83.5°F).

Temperature

August through October, with an average high-temperature of 28.6°C (83.5°F), are marked as the warmest months.

Heat index

During September, the heat index is estimated at a tropical 33°C (91.4°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.
Heat index values are typically calculated for conditions of shade and a light breeze. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. This impact is subjective, influenced by the person's physical activity and individual heat perception, affected by factors including wind, attire, and metabolic differences. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.

Humidity

In Good Hope, Dominica, the average relative humidity in September is 76%.

Rainfall

In Good Hope, in September, during 19.7 rainfall days, 70mm (2.76") of precipitation is typically accumulated. Throughout the year, there are 221.9 rainfall days, and 570mm (22.44") of precipitation is accumulated.

Daylight

The average length of the day in September 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, sunrise is at 05:54 and sunset at 17:54 AST.

Sunshine

In Good Hope, the average sunshine in September is 10.2h.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Good Hope. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: An average UV index of 7 in September transforms into this advice:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the warmest month in Good Hope?

During August through October, Good Hope experiences its average highest temperatures, peaking at 28.6°C (83.5°F).

How hot is it in Good Hope in September?

In Good Hope, in September, the average high-temperature is 28.6°C (83.5°F), and the average low-temperature is 27.1°C (80.8°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 33°C (91.4°F).

What is the average humidity in September in Good Hope?

The average relative humidity in September is 76%.

How many days does it rain in September in Good Hope?

In Good Hope, in September, it is raining for 19.7 days, with typically 70mm (2.76") of accumulated precipitation.

How many hours of daylight does Good Hope have in September?

The average day length in September in Good Hope is 12h and 13min.

When is the sunrise / sunset in September in Good Hope?

In September, on the first day of the month, sunrise is at 05:52 and sunset at 18:17. On the last day of the month, sunrise is at 05:54 and sunset at 17:54 AST.

How many hours of sunshine does Good Hope have in September?

The average sunshine duration in September is 10.2h.

What are the months with the highest UV index in Good Hope?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

When is the lowest UV index in Good Hope?

The months with the lowest UV index in Good Hope are January through December, with an average maximum UV index of 7.

What is the UV index intensity in September in Good Hope?

The average daily maximum UV index in September in Good Hope is 7. A UV Index estimate of 6 to 7 represents a high hazard to health from exposure to Sun's UV rays.

Average temperature in September
Good Hope, Dominica

Average temperature in September - Good Hope, 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).

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Average pressure in September
Good Hope, Dominica

Average pressure in September - Good Hope, 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).

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Average wind speed in September
Good Hope, Dominica

Average wind speed in September - Good Hope, 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).

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Average humidity in September
Good Hope, Dominica

Average humidity in September - Good Hope, 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%).

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Average rainfall in September
Good Hope, Dominica

Average rainfall in September - Good Hope, 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).

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Average rainfall days in September
Good Hope, Dominica

Average rainfall days in September - Good Hope, 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).

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Average daylight in September /
Average sunshine in September
Good Hope, Dominica

Average daylight in September / Average sunshine in September - Good Hope, 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).

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Average sunshine days in September
Good Hope, Dominica

Average sunshine days in September - Good Hope, 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).

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Average UV index in September
Good Hope, Dominica

Average UV index in September - Good Hope, 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).

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Average cloud cover in September
Good Hope, Dominica

Average cloud cover in September - Good Hope, 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).

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Average visibility in September
Good Hope, Dominica

Average visibility in September - Good Hope, 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).

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Good Hope, Dominica

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