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 28.7°C (83.7°F) and a low of 27.9°C (82.2°F).Heat index
In September, the average heat index is evaluated at a tropical 33°C (91.4°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', provides an understanding of perceived warmth by combining temperature and relative humidity. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.
Humidity
In September, the average relative humidity in Hermitage is 76%.Rainfall
In September, the rain falls for 14.9 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Hermitage, there are 164.4 rainfall days, and 289mm (11.38") of precipitation is accumulated.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, sunrise is at 05:54 and sunset at 17:55 AST.
Sunshine
The average sunshine in September is 10.4h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. 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 threat to health from exposure to the Sun's UV rays for average individuals.Note: During September, 7 as the daily maximum UV index converts into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year?
How hot does it get in September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Hermitage have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Hermitage have in September?
When is the highest UV index?
When is the lowest UV index?
What is the UV index reading in September?
Average temperature in September
Hermitage, 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
Hermitage, 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
Hermitage, 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
Hermitage, 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
Hermitage, 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
Hermitage, 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
Hermitage, 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
Hermitage, 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
Hermitage, 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
Hermitage, 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
Hermitage, 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).
Hermitage, Saint Vincent and the Grenadines
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