September weather forecastFond du Sac, Mauritius
September
Weather in September
The weather in Fond du Sac ushers in a minute climb in temperature in September, with the average maximum reaching 23.7°C (74.7°F). The initial marks of spring can be felt as temperature and humidity start to climb. The constant wind speeds and tropical setting invite outdoor activities. It provides comfort from the steadily increasing daylight hours. A gradual escalation in temperature and duration of daylight accurately previews the upcoming October climate.Temperature
Fond du Sac greets September with an average high-temperature of a still warm 23.7°C (74.7°F), marking a slight deviation from the preceding month. Fond du Sac marks an average drop to a pleasant 21.6°C (70.9°F) during nighttime in September, following the high of the day.Humidity
August and September, with an average relative humidity of 73%, are the least humid months.Rainfall
September is the month with the least rainfall in Fond du Sac. Rain falls for 10 days and accumulates 8mm (0.31") of precipitation.Daylight
In September, the average length of the day in Fond du Sac, Mauritius, is 11h and 59min.On the first day of the month, sunrise is at 06:17 and sunset at 18:01. On the last day of September, sunrise is at 05:51 and sunset at 18:07 +04.
Sunshine
In September, the average sunshine in Fond du Sac is 9.2h.UV index
The months with the lowest UV index are May through November, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fond du Sac, 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
Fond du Sac, 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
Fond du Sac, 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
Fond du Sac, 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
Fond du Sac, 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
Fond du Sac, 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
Fond du Sac, 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
Fond du Sac, 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
Fond du Sac, 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
Fond du Sac, 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
Fond du Sac, 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).





