September weather forecastGrand Baie, Mauritius
September weather for Grand Baie, Mauritius: Temperature records in Grand Baie, Mauritius, mark September as the coldest month, with highs averaging 23°C (73.4°F) and lows at 22.4°C (72.3°F). The month with the least rainfall in Grand Baie, Mauritius, is September, when the rain falls for 17 days and typically collects 13mm (0.51") of precipitation.
September
Weather in September
In September, the weather in Grand Baie, Mauritius, initiates a slow return to warmer conditions. Temperatures average between 22.4°C (72.3°F) and 23°C (73.4°F), indicating a nominal rise against August. Sunshine durations see a welcome increase, paving the way for sunbathing and other outdoor activities. Rainfall remains relatively low, ensuring predominantly dry weather conditions. The wind speed, though slightly lower than in August, still provides a cooling sensation against the growing mercury.Temperature
The coldest time of the year in Grand Baie, Mauritius, is September, with temperatures averaging a high of 23°C (73.4°F) and a low of 22.4°C (72.3°F).Humidity
The average relative humidity in September in Grand Baie is 76%.Rainfall
September is the month with the least rainfall in Grand Baie. Rain falls for 17 days and accumulates 13mm (0.51") of precipitation.Sea temperature
The month with the coldest seawater is September, with an average sea temperature of 23.4°C (74.1°F).Note: For someone sensitive to cold, swimming in 23.4°C (74.1°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In Grand Baie, the average length of the day in September 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 Grand Baie, the average sunshine in September is 7.9h.UV index
The months with the lowest UV index in Grand Baie, Mauritius, are May through October, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 6 during September translates into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Warning! Sand and water reflections boost the intensity of UV exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grand Baie, Mauritius
- Average high temperature in September: 23°C
The warmest month (with the highest average high temperature) is February (27.7°C).
The month with the lowest average high temperature is September (23°C).
- Average low temperature in September: 22.4°C
The month with the highest average low temperature is February (27°C).
The coldest month (with the lowest average low temperature) is August (22.1°C).
Average pressure in September
Grand Baie, Mauritius
- Average pressure in September: 1019.7mbar
The month with the highest atmospheric pressure is August (1020.2mbar).
The month with the lowest atmospheric pressure is February (1011mbar).
Average wind speed in September
Grand Baie, Mauritius
- Average wind speed in September: 30.7km/h
The windiest month (with the highest average wind speed) is August (33.2km/h).
The calmest month (with the lowest average wind speed) is February (24km/h).
Average humidity in September
Grand Baie, Mauritius
- Average humidity in September: 76%
The months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Grand Baie, Mauritius
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is March (140mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in September
Grand Baie, Mauritius
- Average rainfall days in September: 17 days
The month with the highest number of rainy days is March (21.9 days).
The month with the least rainy days is November (11.6 days).
Average sea temperature in September
Grand Baie, Mauritius
- Average sea temperature in September: 23.4°C
The best month for swimming (with the highest average sea temperature) is March (28.5°C).
The coldest month (with the lowest average sea temperature) is September (23.4°C).
Average daylight in September /
Average sunshine in September
Grand Baie, 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: 7h and 54min
The month with the most sunshine is December (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).
Average sunshine days in September
Grand Baie, Mauritius
- Average sunshine days in September: 5.7 days
The month with the most sunshine days is November (9.2 days).
The month with the least sunshine days is February (4.4 days).
Average UV index in September
Grand Baie, Mauritius
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, November and December (UV index 7).
The months with the lowest UV index are May, June, July, August, September and October (UV index 6).
Average cloud cover in September
Grand Baie, Mauritius
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is May (Cloud cover 40).
Average visibility in September
Grand Baie, 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).
