September weather forecastCascade, Seychelles
September
Weather in September
September brings in more rainfall, with a rise from 50mm (1.97") to 79mm (3.11") compared to August. Despite fewer sunny days, the weather remains alluring, with a soft rise in temperature. The steady wind and good visibility continue to complement Cascade's stunning seaside views. The city retains its charm with longer sunshine hours.Temperature
The advent of September in Cascade denotes an average high-temperature of a still moderately hot 26.8°C (80.2°F), subtly different from August's 26.4°C (79.5°F). Cascade observes a minimal variance in temperature, with a consistent average low of 26.1°C (79°F) during the nights of September.Humidity
July through September, with an average relative humidity of 80%, are the most humid months.Rainfall
In Cascade, Seychelles, during September, the rain falls for 20.5 days and regularly aggregates up to 79mm (3.11") of precipitation. In Cascade, during the entire year, the rain falls for 241.9 days and collects up to 1432mm (56.38") of precipitation.Daylight
In Cascade, the average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 06:17 and sunset at 18:18. On the last day of September, sunrise is at 06:03 and sunset at 18:12 +04.
Sunshine
With an average of 7h of sunshine, September has the least sunshine of the year.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 in Cascade, Seychelles, 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 daily high UV index of 7 during September translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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
Average temperature in September
Cascade, Seychelles
- Average high temperature in September: 26.8°C
The warmest month (with the highest average high temperature) is April (29.3°C).
The month with the lowest average high temperature is August (26.4°C).
- Average low temperature in September: 26.1°C
The month with the highest average low temperature is April (28.1°C).
The coldest months (with the lowest average low temperature) are July and August (25.7°C).
Average pressure in September
Cascade, Seychelles
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is August (1012.4mbar).
The month with the lowest atmospheric pressure is April (1010.4mbar).
Average wind speed in September
Cascade, Seychelles
- Average wind speed in September: 26.2km/h
The windiest month (with the highest average wind speed) is August (28.1km/h).
The calmest month (with the lowest average wind speed) is April (12.8km/h).
Average humidity in September
Cascade, Seychelles
- Average humidity in September: 80%
The months with the highest relative humidity are July, August and September (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Cascade, Seychelles
- Average rainfall in September: 79mm
The wettest month (with the highest rainfall) is January (220mm).
The driest month (with the least rainfall) is August (50mm).
Average rainfall days in September
Cascade, Seychelles
- Average rainfall days in September: 20.5 days
The month with the highest number of rainy days is January (23.2 days).
The month with the least rainy days is November (17.3 days).
Average daylight in September /
Average sunshine in September
Cascade, Seychelles
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is November (Average sunshine: 10h and 6min).
The month with the least sunshine is September (Average sunshine: 7h and 0min).
Average sunshine days in September
Cascade, Seychelles
- Average sunshine days in September: 3.8 days
The month with the most sunshine days is November (10.9 days).
The month with the least sunshine days is June (3 days).
Average UV index in September
Cascade, Seychelles
- 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
Cascade, Seychelles
- Average cloud cover in September: 51
The month with the most cloud cover is September (Cloud cover 51).
The month with the least cloud cover is November (Cloud cover 41).
Average visibility in September
Cascade, Seychelles
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
