September weather forecast
La Montagne, Reunion

Weather in September

September, the first month of the spring in La Montagne, is also an agreeable month, with an average temperature ranging between min 18.3°C (64.9°F) and max 20.8°C (69.4°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still agreeable 20.8°C (69.4°F). The average low-temperature, in September, is 18.3°C (64.9°F).

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, Reunion, 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 is 11h and 59min.
On the first day of the month, sunrise is at 06:27 and sunset at 18:09. On the last day of September, in La Montagne, Reunion, sunrise is at 06:00 and sunset at 18:16 +04.

Sunshine

The average sunshine in September in La Montagne is 8.7h.

UV index

The months with the lowest UV index in La Montagne are May through October, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in La Montagne?

In La Montagne, Reunion, in September, the average high-temperature is 20.8°C (69.4°F), and the average low-temperature is 18.3°C (64.9°F).

What are the least humid months in La Montagne?

July through September, with an average relative humidity of 80%, are the least humid months.

What is the average humidity in September in La Montagne?

In September, the average relative humidity is 80%.

What is the driest month in La Montagne?

September is the month with the least rainfall in La Montagne. Rain falls for 19.6 days and accumulates 24mm (0.94") of precipitation.

How many days does it rain in September in La Montagne?

In September, the rain falls for 19.6 days. Throughout September, 24mm (0.94") of precipitation is accumulated.

What is the average length of the day in September in La Montagne?

The average day length in September is 11h and 59min.

When are sunrise and sunset in September in La Montagne?

In September, on the first day of the month, sunrise is at 06:27 and sunset at 18:09. On the last day of the month, in La Montagne, Reunion, sunrise is at 06:00 and sunset at 18:16 +04.

How many hours of sunshine does La Montagne have in September?

In La Montagne, the average sunshine duration in September is 8.7h.

What is the month with the lowest UV index in La Montagne?

May through October, with an average maximum UV index of 5, are months with the lowest UV index in La Montagne.

What is the UV index intensity in September in La Montagne?

The average daily maximum UV index in September in La Montagne is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.

Average temperature in September
La Montagne, Reunion

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).

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Average pressure in September
La Montagne, Reunion

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).

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Average wind speed in September
La Montagne, Reunion

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).

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Average humidity in September
La Montagne, Reunion

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%).

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Average rainfall in September
La Montagne, Reunion

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).

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Average rainfall days in September
La Montagne, Reunion

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).

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Average daylight in September /
Average sunshine in September
La Montagne, Reunion

Average daylight in September / Average sunshine in September - La Montagne, Reunion
  • Average daylight in September: 11h and 59min

The month with the longest days is December (Average daylight: 13h and 23min).
The month with the shortest days is June (Average daylight: 10h and 53min).

  • Average sunshine in September: 8h and 42min

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).

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Average sunshine days in September
La Montagne, Reunion

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).

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Average UV index in September
La Montagne, Reunion

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).

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Average cloud cover in September
La Montagne, Reunion

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).

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Average visibility in September
La Montagne, Reunion

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).

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