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
The shift into September uncovers an average high-temperature of a still agreeable 20.8°C (69.4°F), subtly different from the previous month. La Montagne registers a subtle dip to an average of 18.3°C (64.9°F) during the nights of September.Humidity
The months with the lowest humidity in La Montagne are July through September, with an average relative humidity of 80%.Rainfall
The month with the least rainfall in La Montagne is September, when the rain falls for 19.6 days and typically collects 24mm (0.94") of precipitation.Daylight
The average length of the day in September in La Montagne is 11h and 59min.On the first day of the month, sunrise is at 06:26 and sunset at 18:09. On the last day of September, in La Montagne, sunrise is at 05:59 and sunset at 18:16 +04.
Sunshine
In September, the average sunshine in La Montagne is 8.7h.UV index
May through October, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take precautions - Protection against sun damage is advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the average September temperature in La Montagne?
What is the least humid month in La Montagne?
What is the average humidity in September in La Montagne?
What is the driest month in La Montagne?
How many days does it rain in September in La Montagne?
How many hours of daylight does La Montagne have in September?
When are sunrise and sunset in September in La Montagne?
How many hours of sunshine does La Montagne have in September?
What is the month with the lowest UV index in La Montagne?
What is the UV index reading in September in La Montagne?
Average temperature in September
La Montagne, Reunion
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is July (20.4°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is February (23.3°C).
The coldest month (with the lowest average low temperature) is August (17.9°C).
Average pressure in September
La Montagne, Reunion
- Average pressure in September: 1020.7mbar
The month with the highest atmospheric pressure is August (1021.2mbar).
The month with the lowest atmospheric pressure is February (1011mbar).
Average wind speed in September
La Montagne, Reunion
- Average wind speed in September: 15.7km/h
The windiest month (with the highest average wind speed) is July (17.6km/h).
The calmest month (with the lowest average wind speed) is December (12.4km/h).
Average humidity in September
La Montagne, Reunion
- Average humidity in September: 80%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are July, August and September (80%).
Average rainfall in September
La Montagne, Reunion
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is March (178mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
La Montagne, Reunion
- Average rainfall days in September: 19.6 days
The month with the highest number of rainy days is March (26.3 days).
The month with the least rainy days is September (19.6 days).
Average daylight in September /
Average sunshine in September
La Montagne, Reunion
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is October (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 6h and 24min).
Average sunshine days in September
La Montagne, Reunion
- Average sunshine days in September: 2.7 days
The month with the most sunshine days is October (5.5 days).
The month with the least sunshine days is December (1.9 days).
Average UV index in September
La Montagne, Reunion
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September and October (UV index 5).
Average cloud cover in September
La Montagne, Reunion
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are July, August and September (Cloud cover 34).
Average visibility in September
La Montagne, Reunion
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
La Montagne, Reunion
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