Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With September's arrival, Grand Bois's weather records an average high-temperature of a warm 23.2°C (73.8°F), marking little difference from August's 22.9°C (73.2°F). Grand Bois maintains an average of approximately a pleasant 21.6°C (70.9°F) during September nights, with only a minimal decrease from the daytime temperature.Humidity
The months with the lowest humidity are July through September, with an average relative humidity of 74%.Rainfall
September is the month with the least rainfall in Grand Bois, Mauritius. Rain falls for 12.8 days and accumulates 14mm (0.55") of precipitation.Daylight
In Grand Bois, the average length of the day in September is 11h and 59min.On the first day of September, 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 18:07 +04.
Sunshine
In September, the average sunshine is 9.1h.UV index
May 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 vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, an average UV index of 6 transforms into the following instructions:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Grand Bois in September?
What are the least humid months in Grand Bois?
What is the average humidity in September in Grand Bois?
What is the driest month in Grand Bois?
How many days does it rain in September in Grand Bois?
What is the average length of the day in September in Grand Bois?
When is the sunrise / sunset in September in Grand Bois?
How many hours of sunshine does Grand Bois have in September?
When is the lowest UV index in Grand Bois?
How high is the UV index in September in Grand Bois?
Average temperature in September
Grand Bois, Mauritius
- Average high temperature in September: 23.2°C
The warmest month (with the highest average high temperature) is February (28.2°C).
The month with the lowest average high temperature is August (22.9°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
Grand Bois, Mauritius
- Average pressure in September: 1020.6mbar
The month with the highest atmospheric pressure is August (1021.2mbar).
The month with the lowest atmospheric pressure is February (1011.2mbar).
Average wind speed in September
Grand Bois, Mauritius
- Average wind speed in September: 22.7km/h
The windiest month (with the highest average wind speed) is August (24.3km/h).
The calmest month (with the lowest average wind speed) is November (17.7km/h).
Average humidity in September
Grand Bois, Mauritius
- Average humidity in September: 74%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July, August and September (74%).
Average rainfall in September
Grand Bois, Mauritius
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is February (105mm).
The driest month (with the least rainfall) is September (14mm).
Average rainfall days in September
Grand Bois, Mauritius
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is March (21.8 days).
The month with the least rainy days is November (11.2 days).
Average daylight in September /
Average sunshine in September
Grand Bois, 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 1min
The month with the most sunshine is October (Average sunshine: 10h and 18min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).
Average sunshine days in September
Grand Bois, Mauritius
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is November (14.2 days).
The month with the least sunshine days is February (4 days).
Average UV index in September
Grand Bois, 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
Grand Bois, Mauritius
- Average cloud cover in September: 38
The months with the most cloud cover are March and April (Cloud cover 45).
The months with the least cloud cover are September and October (Cloud cover 38).
Average visibility in September
Grand Bois, 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).
Grand Bois, Mauritius
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