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
Weather in September
Temperature
With average high temperatures of 28.7°C (83.7°F) and lows of 27.7°C (81.9°F), September is the warmest month.Heat index
September's mean heat index is calculated to be a tropical 33°C (91.4°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 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
The average relative humidity in September in Heldens is 77%.Rainfall
In Heldens, in September, during 20.5 rainfall days, 91mm (3.58") of precipitation is typically accumulated. Throughout the year, there are 251.6 rainfall days, and 760mm (29.92") of precipitation is accumulated.Daylight
The average length of the day in September in Heldens is 12h and 14min.On the first day of September in Heldens, sunrise is at 05:57 and sunset at 18:24. On the last day of the month, sunrise is at 06:01 and sunset at 18:00 AST.
Sunshine
In September, the average sunshine is 9.4h.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. 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: In September, a daily UV index of 7 turns into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the warmest month in Heldens?
How hot does it get in Heldens in September?
What is the average humidity in September in Heldens?
How much does it rain in Heldens in September?
What is the average length of the day in September in Heldens?
When are sunrise and sunset in September in Heldens?
How long on average sun shines in September in Heldens?
What are the months with the highest UV index in Heldens?
What is the month with the lowest UV index in Heldens?
What is the UV index intensity in September in Heldens?
Average temperature in September
Heldens, Saint Kitts and Nevis
- Average high temperature in September: 28.7°C
The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is March (26°C).
- Average low temperature in September: 27.7°C
The month with the highest average low temperature is October (27.8°C).
The coldest month (with the lowest average low temperature) is March (25°C).
Average pressure in September
Heldens, Saint Kitts and Nevis
- Average pressure in September: 1013.2mbar
The months with the highest atmospheric pressure are January, February and June (1016.2mbar).
The months with the lowest atmospheric pressure are October and November (1012.5mbar).
Average wind speed in September
Heldens, Saint Kitts and Nevis
- Average wind speed in September: 20.1km/h
The windiest month (with the highest average wind speed) is July (25.8km/h).
The calmest month (with the lowest average wind speed) is October (19.3km/h).
Average humidity in September
Heldens, Saint Kitts and Nevis
- Average humidity in September: 77%
The months with the highest relative humidity are May, June, July and August (78%).
The months with the lowest relative humidity are January, February, March and December (75%).
Average rainfall in September
Heldens, Saint Kitts and Nevis
- Average rainfall in September: 91mm
The wettest month (with the highest rainfall) is October (109mm).
The driest month (with the least rainfall) is February (32mm).
Average rainfall days in September
Heldens, Saint Kitts and Nevis
- Average rainfall days in September: 20.5 days
The month with the highest number of rainy days is November (23.8 days).
The month with the least rainy days is June (17.7 days).
Average daylight in September /
Average sunshine in September
Heldens, Saint Kitts and Nevis
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in September
Heldens, Saint Kitts and Nevis
- Average sunshine days in September: 6.4 days
The month with the most sunshine days is March (6.6 days).
The month with the least sunshine days is November (3 days).
Average UV index in September
Heldens, Saint Kitts and Nevis
- 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
Heldens, Saint Kitts and Nevis
- Average cloud cover in September: 38
The months with the most cloud cover are May and June (Cloud cover 43).
The months with the least cloud cover are February and March (Cloud cover 35).
Average visibility in September
Heldens, Saint Kitts and Nevis
- 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).
Heldens, Saint Kitts and Nevis
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