September weather forecast and climate
Chemin Cesar, Reunion

Weather in September

The first month of the spring, September, is also an agreeable month in Chemin Cesar, Reunion, with average temperature ranging between max 21.4°C (70.5°F) and min 18.6°C (65.5°F).

Temperature

In September, the average high-temperature is almost the same as in August - a still pleasant 21.4°C (70.5°F). The average low-temperature, in September, is 18.6°C (65.5°F).

Humidity

August and September, with an average relative humidity of 78%, are the least humid months in Chemin Cesar, Reunion.

Rainfall

The month with the least rainfall is September when the rain falls for 15.6 days and typically collects 19mm (0.75") of precipitation.

Daylight

In September, the average length of the day is 12h.

Sunshine

In September, the average sunshine in Chemin Cesar is 9.1h.

UV index

Months with the lowest UV index in Chemin Cesar are April, June through September, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. 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 Chemin Cesar?

The average high-temperature, in September, in Chemin Cesar, is 21.4°C (70.5°F), while the average low-temperature is 18.6°C (65.5°F).

What are the least humid months in Chemin Cesar?

Months with the lowest humidity in Chemin Cesar are August and September, with an average relative humidity of 78%.

What is the average humidity in September in Chemin Cesar?

In September, the average relative humidity in Chemin Cesar is 78%.

How many days does it rain in September in Chemin Cesar?

In September, in Chemin Cesar, Reunion, the rain falls for 15.6 days. Throughout September, 19mm (0.75") of precipitation is accumulated.

What is the driest month in Chemin Cesar?

The month with the least rainfall is September when the rain falls for 15.6 days and typically collects 19mm (0.75") of precipitation.

What is the average length of the day in September in Chemin Cesar?

In September, the average length of the day is 12h.

How long on average sun shines in September in Chemin Cesar?

In Chemin Cesar, the average sunshine in September is 9.1h.

When is the lowest UV index in Chemin Cesar?

Months with the lowest UV index in Chemin Cesar are April, June through September, with an average maximum UV index of 5.

What is the UV index reading in September in Chemin Cesar?

In September, the average daily maximum UV index in Chemin Cesar, Reunion, is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in September
Chemin Cesar, Reunion

Average temperature in September - Chemin Cesar, Reunion
  • Average high temperature in September: 21.4°C

The warmest month (with the highest average high temperature) is February (25.9°C).
The month with the lowest average high temperature is July (20.7°C).

  • Average low temperature in September: 18.6°C

Months with the highest average low temperature are January, February and March (23.3°C).
The coldest month (with the lowest average low temperature) is August (17.8°C).

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Average pressure in September
Chemin Cesar, Reunion

Average pressure in September - Chemin Cesar, Reunion
  • Average pressure in September: 1020.9mbar

The month with the highest atmospheric pressure is August (1021.4mbar).
The month with the lowest atmospheric pressure is February (1011.1mbar).

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Average wind speed in September
Chemin Cesar, Reunion

Average wind speed in September - Chemin Cesar, Reunion
  • Average wind speed in September: 17.1km/h

The windiest month (with the highest average wind speed) is July (18.2km/h).
The calmest months (with the lowest average wind speed) are November and December (12.5km/h).

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Average humidity in September
Chemin Cesar, Reunion

Average humidity in September - Chemin Cesar, Reunion
  • Average humidity in September: 78%

The month with the highest relative humidity is March (83%).
Months with the lowest relative humidity are August and September (78%).

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Average rainfall in September
Chemin Cesar, Reunion

Average rainfall in September - Chemin Cesar, Reunion
  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is January (193mm).
The driest month (with the least rainfall) is September (19mm).

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Average rainfall days in September
Chemin Cesar, Reunion

Average rainfall days in September - Chemin Cesar, Reunion
  • Average rainfall days in September: 15.6 days

The month with the highest number of rainy days is March (26.2 days).
The month with the least rainy days is September (15.6 days).

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Average daylight in September /
Average sunshine in September
Chemin Cesar, Reunion

Average daylight in September / Average sunshine in September - Chemin Cesar, Reunion
  • Average daylight in September: 12h

The month with the longest days is December (Average daylight: 13.4h).
The month with the shortest days is June (Average daylight: 10.8h).

  • Average sunshine in September: 9.1h

The month with the most sunshine is October (Average sunshine: 10.5h).
Months with the least sunshine are May, June and July (Average sunshine: 6.7).

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Average sunshine days in September
Chemin Cesar, Reunion

Average sunshine days in September - Chemin Cesar, Reunion
  • Average sunshine days in September: 4.3 days

The month with the most sunshine days is October (6.6 days).
The month with the least sunshine days is February (1.1 days).

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Average UV index in September
Chemin Cesar, Reunion

Average UV index in September - Chemin Cesar, Reunion
  • Average UV index in September: 5

Months with the highest UV index are January, February, March, May, October, November and December (UV index 6).
Months with the lowest UV index are April, June, July, August and September (UV index 5).

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Average cloud cover in September
Chemin Cesar, Reunion

Average cloud cover in September - Chemin Cesar, Reunion
  • Average cloud cover in September: 24

Months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 24).

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Average visibility in September
Chemin Cesar, Reunion

Average visibility in September - Chemin Cesar, Reunion
  • Average visibility in September: 10km

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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