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
Challengers's warmest weather arrives in September, when temperatures average a high of 28.7°C (83.7°F) and a low of 27.7°C (81.9°F).Heat index
Throughout September, the heat index is appraised at a tropical 33°C (91.4°F). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Always consider that heat index estimations are for light winds and places in the shade. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.
Humidity
The average relative humidity in September is 77%.Rainfall
In Challengers, in September, during 18.3 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, in Challengers, there are 198.3 rainfall days, and 386mm (15.2") of precipitation is accumulated.Daylight
The average length of the day in September in Challengers is 12h and 14min.On the first day of the month, sunrise is at 05:57 and sunset at 18:24. On the last day of September, sunrise is at 06:01 and sunset at 18:00 AST.
Sunshine
In September, the average sunshine is 10.1h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index in Challengers, Saint Kitts and Nevis. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 7 translates into these guidelines:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the warmest months in Challengers?
How hot is it in Challengers in September?
What is the average humidity in September in Challengers?
How much does it rain in Challengers in September?
What is the average length of the day in September in Challengers?
When is the sunrise / sunset in September in Challengers?
How many hours of sunshine does Challengers have in September?
What are the months with the highest UV index in Challengers?
What is the month with the lowest UV index in Challengers?
What is the UV index reading in September in Challengers?
Average temperature in September
Challengers, 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 (25.8°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 (24.9°C).
Average pressure in September
Challengers, Saint Kitts and Nevis
- Average pressure in September: 1013.2mbar
The months with the highest atmospheric pressure are January and June (1016.2mbar).
The months with the lowest atmospheric pressure are October and November (1012.5mbar).
Average wind speed in September
Challengers, Saint Kitts and Nevis
- Average wind speed in September: 20.4km/h
The windiest month (with the highest average wind speed) is July (26.3km/h).
The calmest month (with the lowest average wind speed) is October (19.6km/h).
Average humidity in September
Challengers, 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
Challengers, Saint Kitts and Nevis
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is October (51mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Challengers, Saint Kitts and Nevis
- Average rainfall days in September: 18.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (12.6 days).
Average daylight in September /
Average sunshine in September
Challengers, Saint Kitts and Nevis
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 6min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Challengers, Saint Kitts and Nevis
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is June (11.2 days).
The month with the least sunshine days is May (7.6 days).
Average UV index in September
Challengers, 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
Challengers, Saint Kitts and Nevis
- Average cloud cover in September: 37
The months with the most cloud cover are May, June and July (Cloud cover 40).
The month with the least cloud cover is February (Cloud cover 32).
Average visibility in September
Challengers, 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).
Challengers, Saint Kitts and Nevis
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