September weather forecastSan Cristobal, Ecuador
September
Weather in September
With the onset of September, the weather in San Cristobal undergoes minor fluctuations. Despite the sea temperature witnessing a slight drop to 21.6°C (70.9°F), the overall weather pattern remains consistent with the previous month. September is marked by a gradual increase in humidity levels and a constant cloud cover, giving it a unique appeal for those who prefer cooler climates. The consistent weather conditions make San Cristobal a year-round destination for several travelers and nature enthusiasts.Temperature
September, with an average high of 21.2°C (70.2°F) and a low of 20.5°C (68.9°F), signifies the coldest month of the year in San Cristobal.Humidity
September is the most humid month in San Cristobal, with an average relative humidity of 88%.Rainfall
The month with the least rainfall in San Cristobal, Ecuador, is September, when the rain falls for 2.7 days and typically collects 1mm (0.04") of precipitation.Sea temperature
The month with the coldest seawater is September, with an average sea temperature of 21.6°C (70.9°F).Note: A majority do not enjoy swimming in water at 21.6°C (70.9°F). The difficulty in controlling breathing increases progressively as the temperature dips below 21°C (69.8°F).
Daylight
The average length of the day in September in San Cristobal is 12h and 7min.On the first day of the month, sunrise is at 05:55 and sunset at 18:00. On the last day of September, sunrise is at 05:44 and sunset at 17:51 -06.
Sunshine
September has the least sunshine of the year in San Cristobal, with an average of 4.3h of sunshine.UV index
The months with the lowest UV index in San Cristobal are June through October, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 5 in September translates into these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Caution! Sand and water reflections can notably increase the UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Cristobal, Ecuador
- Average high temperature in September: 21.2°C
The warmest month (with the highest average high temperature) is March (26.9°C).
The month with the lowest average high temperature is September (21.2°C).
- Average low temperature in September: 20.5°C
The month with the highest average low temperature is March (25.8°C).
The coldest month (with the lowest average low temperature) is September (20.5°C).
Average pressure in September
San Cristobal, Ecuador
- Average pressure in September: 1012.8mbar
The months with the highest atmospheric pressure are August and September (1012.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.3mbar).
Average wind speed in September
San Cristobal, Ecuador
- Average wind speed in September: 19.3km/h
The windiest month (with the highest average wind speed) is July (19.4km/h).
The calmest month (with the lowest average wind speed) is March (10.2km/h).
Average humidity in September
San Cristobal, Ecuador
- Average humidity in September: 88%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is March (81%).
Average rainfall in September
San Cristobal, Ecuador
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is February (44mm).
The driest month (with the least rainfall) is September (1mm).
Average rainfall days in September
San Cristobal, Ecuador
- Average rainfall days in September: 2.7 days
The month with the highest number of rainy days is February (14.9 days).
The month with the least rainy days is September (2.7 days).
Average sea temperature in September
San Cristobal, Ecuador
- Average sea temperature in September: 21.6°C
The best month for swimming (with the highest average sea temperature) is March (26.9°C).
The coldest month (with the lowest average sea temperature) is September (21.6°C).
Average daylight in September /
Average sunshine in September
San Cristobal, Ecuador
- Average daylight in September: 12h and 6min
The month with the longest days is December (Average daylight: 12h and 12min).
The month with the shortest days is June (Average daylight: 12h and 6min).
- Average sunshine in September: 4h and 18min
The month with the most sunshine is April (Average sunshine: 9h and 42min).
The month with the least sunshine is September (Average sunshine: 4h and 18min).
Average sunshine days in September
San Cristobal, Ecuador
- Average sunshine days in September: 22 days
The month with the most sunshine days is October (23.1 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in September
San Cristobal, Ecuador
- Average UV index in September: 5
The months with the highest UV index are February, March and April (UV index 7).
The months with the lowest UV index are June, July, August, September and October (UV index 5).
Average cloud cover in September
San Cristobal, Ecuador
- Average cloud cover in September: 67
The month with the most cloud cover is September (Cloud cover 67).
The month with the least cloud cover is March (Cloud cover 30).
Average visibility in September
San Cristobal, Ecuador
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
