September weather forecastColombo, Brazil
September
Weather in September
The first month of the spring, September, is still a pleasant month in Colombo, Brazil, with an average temperature fluctuating between 22.6°C (72.7°F) and 12.2°C (54°F).Temperature
Colombo, Brazil, starts September with an average high-temperature of a still pleasant 22.6°C (72.7°F), hinting at a minimal fluctuation from August. Colombo's nighttime temperature during September is consistently averaged at a fresh 12.2°C (54°F).Humidity
August and September, with an average relative humidity of 83%, are the least humid months.Rainfall
In Colombo, Brazil, in September, it is raining for 15.9 days, with typically 76mm (2.99") of accumulated precipitation. Throughout the year, in Colombo, Brazil, there are 243.3 rainfall days, and 1250mm (49.21") of precipitation is accumulated.Snowfall
In Colombo, snow does not fall in January through June, August through December.Daylight
In September, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 06:28 and sunset at 18:05. On the last day of September, in Colombo, sunrise is at 05:56 and sunset at 18:16 -03.
Sunshine
August and September, with an average of 7.7h of sunshine, are months with the most sunshine in Colombo.UV index
The months with the highest UV index in Colombo are January through March, August through December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 5 transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Colombo, Brazil
- Average high temperature in September: 22.6°C
The warmest months (with the highest average high temperature) are January, February and December (25.9°C).
The month with the lowest average high temperature is June (18.8°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is January (17.2°C).
The coldest month (with the lowest average low temperature) is July (10.2°C).
Average pressure in September
Colombo, Brazil
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is July (1020.3mbar).
The month with the lowest atmospheric pressure is December (1012.2mbar).
Average wind speed in September
Colombo, Brazil
- Average wind speed in September: 6.6km/h
The windiest months (with the highest average wind speed) are October and November (7km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity in September
Colombo, Brazil
- Average humidity in September: 83%
The months with the highest relative humidity are March, May and June (89%).
The months with the lowest relative humidity are August and September (83%).
Average rainfall in September
Colombo, Brazil
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is January (160mm).
The driest month (with the least rainfall) is August (68mm).
Average rainfall days in September
Colombo, Brazil
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is December (25.5 days).
The month with the least rainy days is August (13.5 days).
Average snowfall in September
Colombo, Brazil
- Average snowfall in September: 0mm
The month with the highest snowfall is July (1mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).
Average snowfall days in September
Colombo, Brazil
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Colombo, Brazil
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 42min).
The month with the shortest days is June (Average daylight: 10h and 36min).
- Average sunshine in September: 7h and 42min
The months with the most sunshine are August and September (Average sunshine: 7h and 42min).
The month with the least sunshine is May (Average sunshine: 6h and 24min).
Average sunshine days in September
Colombo, Brazil
- Average sunshine days in September: 8.9 days
The month with the most sunshine days is August (14.1 days).
The month with the least sunshine days is February (3 days).
Average UV index in September
Colombo, Brazil
- Average UV index in September: 5
The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 5).
The months with the lowest UV index are April, May, June and July (UV index 4).
Average cloud cover in September
Colombo, Brazil
- Average cloud cover in September: 53
The months with the most cloud cover are January, February and March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 48).
Average visibility in September
Colombo, Brazil
- Average visibility in September: 7km
The months with the highest visibility are August and September (7km).
The month with the lowest visibility is May (5km).
