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
September, on average, is the warmest month, registering a high temperature of 28.8°C (83.8°F) and a low of 28°C (82.4°F).Heat index
For most parts of September, the heat index is computed to be a tropical 33°C (91.4°F). Take more safety measures, heat exhaustion and heat cramps are potential outcomes. Persistent activity might lead to heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', ties air temperature with relative humidity to produce the perceived temperature sensation. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In Clifton, Saint Vincent and the Grenadines, the average relative humidity in September is 76%.Rainfall
In Clifton, Saint Vincent and the Grenadines, during September, the rain falls for 21.4 days and regularly aggregates up to 81mm (3.19") of precipitation. Throughout the year, in Clifton, there are 238.6 rainfall days, and 627mm (24.69") of precipitation is accumulated.Daylight
The average length of the day in September in Clifton, Saint Vincent and the Grenadines, is 12h and 12min.On the first day of the month, sunrise is at 05:54 and sunset at 18:16. On the last day of September, in Clifton, sunrise is at 05:54 and sunset at 17:56 AST.
Sunshine
In Clifton, Saint Vincent and the Grenadines, the average sunshine in September is 10h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The UV index of 7 during September translates into the following guidance:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the warmest month in Clifton?
How hot does it get in Clifton in September?
What is the average humidity in September in Clifton?
How many days does it rain in September in Clifton?
How many hours of daylight does Clifton have in September?
When is the sunrise / sunset in September in Clifton?
How many hours of sunshine does Clifton have in September?
When is the highest UV index in Clifton?
What is the month with the lowest UV index in Clifton?
What is the UV index reading in September in Clifton?
Average temperature in September
Clifton, Saint Vincent and the Grenadines
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.5°C).
- Average low temperature in September: 28°C
The month with the highest average low temperature is September (28°C).
The coldest month (with the lowest average low temperature) is February (25.7°C).
Average pressure in September
Clifton, Saint Vincent and the Grenadines
- Average pressure in September: 1012.2mbar
The month with the highest atmospheric pressure is June (1014.5mbar).
The month with the lowest atmospheric pressure is November (1010.9mbar).
Average wind speed in September
Clifton, Saint Vincent and the Grenadines
- Average wind speed in September: 20.6km/h
The windiest month (with the highest average wind speed) is February (29.3km/h).
The calmest month (with the lowest average wind speed) is September (20.6km/h).
Average humidity in September
Clifton, Saint Vincent and the Grenadines
- Average humidity in September: 76%
The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).
Average rainfall in September
Clifton, Saint Vincent and the Grenadines
- Average rainfall in September: 81mm
The wettest month (with the highest rainfall) is August (94mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in September
Clifton, Saint Vincent and the Grenadines
- Average rainfall days in September: 21.4 days
The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is February (14.8 days).
Average daylight in September /
Average sunshine in September
Clifton, Saint Vincent and the Grenadines
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).
- Average sunshine in September: 10h and 0min
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 24min).
Average sunshine days in September
Clifton, Saint Vincent and the Grenadines
- Average sunshine days in September: 5.4 days
The months with the most sunshine days are February and March (9.3 days).
The month with the least sunshine days is July (1.7 days).
Average UV index in September
Clifton, Saint Vincent and the Grenadines
- 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
Clifton, Saint Vincent and the Grenadines
- Average cloud cover in September: 38
The month with the most cloud cover is July (Cloud cover 46).
The months with the least cloud cover are January and February (Cloud cover 37).
Average visibility in September
Clifton, Saint Vincent and the Grenadines
- 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).
Clifton, Saint Vincent and the Grenadines
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