September weather forecastOlmué, Chile
September
Weather in September
The first month of the spring, September, is still a refreshing month in Olmué, Chile, with an average temperature ranging between min 7.5°C (45.5°F) and max 18.5°C (65.3°F).Temperature
The average high-temperature during September is a still refreshing 18.5°C (65.3°F), almost matching the conditions of the preceding month. Olmué's temperature drops to an average low of 7.5°C (45.5°F) during the nights of September.Humidity
August and September, with an average relative humidity of 67%, are the most humid months.Rainfall
In Olmué, during September, the rain falls for 4.5 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, in Olmué, there are 38 rainfall days, and 185mm (7.28") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 55min.On the first day of September in Olmué, sunrise is at 07:01 and sunset at 18:27 -04. On the last day of the month, sunrise is at 07:22 and sunset at 19:46 -03.
Note: On Sunday, 08. September 2024, at 00:00, Daylight Saving Time starts, and the time zone changes from -04 to -03. Daylight Saving Time lasts until Sunday, 06. April 2025, at 00:00; consequently, the time zone reverts from -03 to -04.
Sunshine
In September, the average sunshine is 8.9h.UV index
May through September, with an average maximum UV index of 4, are months with the lowest UV index in Olmué. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Olmué, Chile
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are January and February (25.7°C).
The month with the lowest average high temperature is July (15.6°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is January (14.3°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).
Average pressure in September
Olmué, Chile
- Average pressure in September: 1019.1mbar
The month with the highest atmospheric pressure is July (1019.5mbar).
The month with the lowest atmospheric pressure is February (1014.5mbar).
Average wind speed in September
Olmué, Chile
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is December (9.4km/h).
The calmest month (with the lowest average wind speed) is May (7km/h).
Average humidity in September
Olmué, Chile
- Average humidity in September: 67%
The months with the highest relative humidity are August and September (67%).
The month with the lowest relative humidity is April (58%).
Average rainfall in September
Olmué, Chile
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is June (63mm).
The driest months (with the least rainfall) are January, February and March (1mm).
Average rainfall days in September
Olmué, Chile
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is June (6.5 days).
The month with the least rainy days is February (0.9 days).
Average daylight in September /
Average sunshine in September
Olmué, Chile
- Average daylight in September: 11h and 54min
The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 8h and 24min).
Average sunshine days in September
Olmué, Chile
- Average sunshine days in September: 23.9 days
The month with the most sunshine days is December (29.5 days).
The month with the least sunshine days is June (22.1 days).
Average UV index in September
Olmué, Chile
- Average UV index in September: 4
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in September
Olmué, Chile
- Average cloud cover in September: 21
The month with the most cloud cover is June (Cloud cover 25).
The month with the least cloud cover is February (Cloud cover 4).
Average visibility in September
Olmué, Chile
- 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).





