September weather forecastRoche Terre, Mauritius
September
Weather in September
September, the first month of the spring in Roche Terre, is also a moderately hot month, with an average temperature varying between 23.7°C (74.7°F) and 21.6°C (70.9°F).Temperature
September's beginning signals an average high-temperature of a still moderately hot 23.7°C (74.7°F), barely different from August's 23.5°C (74.3°F). Roche Terre documents a consistent average low-temperature of 21.6°C (70.9°F) at night during September.Humidity
August and September, with an average relative humidity of 73%, are the least humid months in Roche Terre.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 8mm (0.31") of precipitation.Daylight
In September, the average length of the day is 11h and 59min.On the first day of September in Roche Terre, 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
In September, the average sunshine in Roche Terre 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 reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 6 suggests these recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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
Roche Terre, 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).





