September weather forecastStanley, Mauritius
September
Weather in September
September, the first month of the spring in Stanley, is also a moderately hot month, with an average temperature ranging between min 21.3°C (70.3°F) and max 23.7°C (74.7°F).Temperature
The start of September marks an average high-temperature of a still warm 23.7°C (74.7°F), hardly distinguishable from the conditions in August. September nights in Stanley reflect a consistent temperature dip to an agreeable 21.3°C (70.3°F), a slight descent from daytime peaks.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.1 days and typically collects 12mm (0.47") of precipitation.Daylight
The average length of the day in September is 11h and 59min.On the first day of September in Stanley, sunrise is at 06:18 and sunset at 18:01. On the last day of the month, sunrise is at 05:51 and sunset at 18:08 +04.
Sunshine
In September, the average sunshine in Stanley is 9.1h.UV index
April through November, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 during September translates into the following guidance:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stanley, Mauritius
- Average high temperature in September: 23.7°C
The warmest month (with the highest average high temperature) is February (28.5°C).
The months with the lowest average high temperature are July and August (23.3°C).
- Average low temperature in September: 21.3°C
The month with the highest average low temperature is February (25.6°C).
The coldest month (with the lowest average low temperature) is August (20.7°C).
Average pressure in September
Stanley, 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
Stanley, Mauritius
- Average wind speed in September: 21.5km/h
The windiest month (with the highest average wind speed) is August (22.8km/h).
The calmest month (with the lowest average wind speed) is November (16.4km/h).
Average humidity in September
Stanley, 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
Stanley, Mauritius
- Average rainfall in September: 12mm
The wettest month (with the highest rainfall) is January (129mm).
The driest month (with the least rainfall) is September (12mm).
Average rainfall days in September
Stanley, Mauritius
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is March (23.6 days).
The month with the least rainy days is October (12.2 days).
Average daylight in September /
Average sunshine in September
Stanley, 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 6min
The month with the most sunshine is October (Average sunshine: 10h and 12min).
The month with the least sunshine is July (Average sunshine: 6h and 12min).
Average sunshine days in September
Stanley, Mauritius
- Average sunshine days in September: 9.3 days
The month with the most sunshine days is October (11.8 days).
The month with the least sunshine days is February (3.2 days).
Average UV index in September
Stanley, Mauritius
- Average UV index in September: 6
The months with the highest UV index are January, February, March and December (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 6).
Average cloud cover in September
Stanley, Mauritius
- Average cloud cover in September: 37
The months with the most cloud cover are March and April (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 37).
Average visibility in September
Stanley, 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).
