September weather forecastTriolet, Mauritius
September
Weather in September
September ushers in Spring in Triolet, Mauritius, signifying an end to the cooler temperatures. As humidity continues to drop to 73%, the tropical feel remains less intense. The amount of rainfall experiences a decrease from August's 17mm (0.67") to 8mm (0.31"), making it the driest month of the year. The overall climate becomes drier and the lengthening daylight hours introduce more sunshine over the coming months. Additionally, the less frequent gusts of wind compared to August contribute to a milder climate.Temperature
September records an average high-temperature of a still moderately hot 23.7°C (74.7°F), indicating a minor variation from the preceding month. Nights in September cool down in Triolet, indicating a minor disparity from daytime highs with an average low-temperature of 21.6°C (70.9°F).Humidity
August and September, with an average relative humidity of 73%, are the least humid months in Triolet.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 8mm (0.31") of precipitation.Daylight
In Triolet, the average length of the day in September is 11h and 59min.On the first day of September, sunrise is at 06:17 and sunset at 18:01. On the last day of the month, sunrise is at 05:51 and sunset at 18:07 +04.
Sunshine
The average sunshine in September in Triolet is 9.2h.UV index
May through November, with an average maximum UV index of 6, are months with the lowest UV index in Triolet. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 6 during September morphs into the following directions:
Inhibit overexposure. Warding off sun damage is of utmost importance. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Triolet, Mauritius
- Average high temperature in September: 23.7°C
The warmest month (with the highest average high temperature) is February (28.6°C).
The month with the lowest average high temperature is August (23.5°C).
- Average low temperature in September: 21.6°C
The month with the highest average low temperature is February (26°C).
The coldest month (with the lowest average low temperature) is August (21.3°C).
Average pressure in September
Triolet, Mauritius
- Average pressure in September: 1020.5mbar
The month with the highest atmospheric pressure is August (1021mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).
Average wind speed in September
Triolet, Mauritius
- Average wind speed in September: 22.1km/h
The windiest month (with the highest average wind speed) is August (23.6km/h).
The calmest month (with the lowest average wind speed) is November (17.1km/h).
Average humidity in September
Triolet, Mauritius
- Average humidity in September: 73%
The months with the highest relative humidity are January, February and March (78%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall in September
Triolet, Mauritius
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is January (97mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in September
Triolet, Mauritius
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are October and November (9.5 days).
Average daylight in September /
Average sunshine in September
Triolet, Mauritius
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 18min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is October (Average sunshine: 10h and 24min).
The month with the least sunshine is July (Average sunshine: 6h and 18min).
Average sunshine days in September
Triolet, Mauritius
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is February (5.2 days).
Average UV index in September
Triolet, Mauritius
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April and December (UV index 7).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 6).
Average cloud cover in September
Triolet, Mauritius
- Average cloud cover in September: 36
The months with the most cloud cover are January and March (Cloud cover 44).
The month with the least cloud cover is May (Cloud cover 35).
Average visibility in September
Triolet, Mauritius
- 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).





