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
In Greiggs, the peak temperatures are generally noted in September, averaging a high of 28.7°C (83.7°F) and a low of 27.9°C (82.2°F).Heat index
For most parts of September, the heat index is computed to be a hot 33°C (91.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.Data suggests that the heat index is set for environments in shade and with a light wind. The heat index may scale up by 15 Fahrenheit (8 Celsius) degrees with direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
Humidity
The average relative humidity in September in Greiggs is 76%.Rainfall
In September, in Greiggs, the rain falls for 14.9 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Greiggs, during the entire year, the rain falls for 164.4 days and collects up to 289mm (11.38") of precipitation.Daylight
In September, the average length of the day is 12h and 12min.On the first day of the month, sunrise is at 05:53 and sunset at 18:15. On the last day of September, in Greiggs, sunrise is at 05:53 and sunset at 17:54 AST.
Sunshine
The average sunshine in September is 10.4h.UV index
The months with the highest UV index in Greiggs, Saint Vincent and the Grenadines, are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 7 during September translates into these guidelines:
Inhibit overexposure. Warding off sun damage is of utmost 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. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the hottest time of year in Greiggs?
How hot is September in Greiggs?
What is the average humidity in September in Greiggs?
How many days does it rain in September in Greiggs?
What is the average length of the day in September in Greiggs?
What time are sunrise and sunset in September in Greiggs?
How long on average sun shines in September in Greiggs?
What is the month with the highest UV index in Greiggs?
When is the lowest UV index in Greiggs?
What is the UV index reading in September in Greiggs?
Average temperature in September
Greiggs, Saint Vincent and the Grenadines
- 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 February (26.3°C).
- Average low temperature in September: 27.9°C
The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is January (25.3°C).
Average pressure in September
Greiggs, Saint Vincent and the Grenadines
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is June (1014.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in September
Greiggs, Saint Vincent and the Grenadines
- Average wind speed in September: 19.7km/h
The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (19.7km/h).
Average humidity in September
Greiggs, 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
Greiggs, Saint Vincent and the Grenadines
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in September
Greiggs, Saint Vincent and the Grenadines
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (8.7 days).
Average daylight in September /
Average sunshine in September
Greiggs, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in September
Greiggs, Saint Vincent and the Grenadines
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in September
Greiggs, 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
Greiggs, Saint Vincent and the Grenadines
- Average cloud cover in September: 35
The month with the most cloud cover is June (Cloud cover 44).
The months with the least cloud cover are February and September (Cloud cover 35).
Average visibility in September
Greiggs, 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).
Greiggs, Saint Vincent and the Grenadines
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