September weather forecastSan Gil, Colombia
September weather forecast for San Gil, Colombia: On the last day of September, sunrise is at 05:40 and sunset at 17:44 -05. On the first day of September, sunrise is at 05:45 and sunset at 17:59.
September
Weather in September
September is a mirror reflection of August, characterized by similar weather conditions and patterns. The amount of rainfall shows a minor dip. Stormy days result in less sunshine but the weather stays warm. Despite high precipitation events, the city's weather does not deter outdoor activities. Comfortable wind speed and improved visibility make September a month of pleasant weather.Temperature
The arrival of September is marked by an average high-temperature of a still warm 25.1°C (77.2°F), bearing a close resemblance to August. An average low-temperature of 13.9°C (57°F) is expected during September.Humidity
In San Gil, the average relative humidity in September is 80%.Rainfall
In San Gil, in September, it is raining for 29.5 days, with typically 279mm (10.98") of accumulated precipitation. In San Gil, during the entire year, the rain falls for 350.5 days and collects up to 2822mm (111.1") of precipitation.Daylight
In September, the average length of the day is 12h and 9min.On the first day of the month, sunrise is at 05:45 and sunset at 17:59. On the last day of September, sunrise is at 05:40 and sunset at 17:44 -05.
Sunshine
The average sunshine in September is 9h.UV index
January through December, with an average maximum UV index of 5, are months with the highest UV index in San Gil. January through December, 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 moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 5 in September translates into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Gil, Colombia
- Average high temperature in September: 25.1°C
The warmest month (with the highest average high temperature) is February (26.3°C).
The months with the lowest average high temperature are October and November (24.3°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is April (14.7°C).
The coldest months (with the lowest average low temperature) are January and December (13°C).
Average pressure in September
San Gil, Colombia
- Average pressure in September: 1013.5mbar
The months with the highest atmospheric pressure are June and July (1014.1mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
San Gil, Colombia
- Average wind speed in September: 4.3km/h
The windiest month (with the highest average wind speed) is January (4.9km/h).
The calmest month (with the lowest average wind speed) is May (4km/h).
Average humidity in September
San Gil, Colombia
- Average humidity in September: 80%
The month with the highest relative humidity is May (84%).
The month with the lowest relative humidity is February (73%).
Average rainfall in September
San Gil, Colombia
- Average rainfall in September: 279mm
The wettest month (with the highest rainfall) is August (328mm).
The driest month (with the least rainfall) is January (84mm).
Average rainfall days in September
San Gil, Colombia
- Average rainfall days in September: 29.5 days
The month with the highest number of rainy days is August (30.9 days).
The month with the least rainy days is January (25.4 days).
Average daylight in September /
Average sunshine in September
San Gil, Colombia
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
San Gil, Colombia
- Average sunshine days in September: 0.3 days
The month with the most sunshine days is January (3 days).
The month with the least sunshine days is June (0 days).
Average UV index in September
San Gil, Colombia
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover in September
San Gil, Colombia
- Average cloud cover in September: 35
The month with the most cloud cover is May (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 28).
Average visibility in September
San Gil, Colombia
- Average visibility in September: 8km
The months with the highest visibility are January and February (9km).
The months with the lowest visibility are March, April, May, June, July, August, September, October, November and December (8km).





