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
September
Weather in September
Temperature
Bras-Panon experiences a minor change to a still pleasant 21°C (69.8°F) in average high-temperature during September, closely reflecting August. During the nights of September, Bras-Panon records an average temperature of 18.5°C (65.3°F), a minor drop from daytime peaks.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 79%.Rainfall
September is the month with the least rainfall. Rain falls for 18.5 days and accumulates 26mm (1.02") 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 06:25 and sunset at 18:08. On the last day of September, sunrise is at 05:58 and sunset at 18:15 +04.
Sunshine
In Bras-Panon, the average sunshine in September is 8.9h.UV index
June 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 vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What are the least humid months?
What is the average humidity in September in Bras-Panon?
What is the driest month?
How much does it rain in Bras-Panon in September?
What is the average length of the day in September?
When are sunrise and sunset in September in Bras-Panon?
How many hours of sunshine does Bras-Panon have in September?
When is the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
Bras-Panon, Reunion
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is August (20.4°C).
- Average low temperature in September: 18.5°C
The month with the highest average low temperature is February (23.6°C).
The coldest month (with the lowest average low temperature) is August (18.2°C).
Average pressure in September
Bras-Panon, Reunion
- Average pressure in September: 1020.7mbar
The month with the highest atmospheric pressure is August (1021.3mbar).
The month with the lowest atmospheric pressure is February (1011mbar).
Average wind speed in September
Bras-Panon, Reunion
- Average wind speed in September: 15.7km/h
The windiest month (with the highest average wind speed) is July (18km/h).
The calmest months (with the lowest average wind speed) are November and December (12.4km/h).
Average humidity in September
Bras-Panon, Reunion
- Average humidity in September: 79%
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in September
Bras-Panon, Reunion
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Bras-Panon, Reunion
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is March (27.7 days).
The month with the least rainy days is September (18.5 days).
Average daylight in September /
Average sunshine in September
Bras-Panon, 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 5min
The month with the most sunshine is October (Average sunshine: 10h and 12min).
The month with the least sunshine is June (Average sunshine: 6h and 18min).
Average sunshine days in September
Bras-Panon, Reunion
- Average sunshine days in September: 4.3 days
The month with the most sunshine days is October (5.5 days).
The month with the least sunshine days is February (0.3 days).
Average UV index in September
Bras-Panon, Reunion
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, November and December (UV index 6).
The months with the lowest UV index are June, July, August, September and October (UV index 5).
Average cloud cover in September
Bras-Panon, Reunion
- Average cloud cover in September: 33
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in September
Bras-Panon, 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).
