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
September's average high-temperature is a still refreshing 17.5°C (63.5°F), maintaining a close comparison with August's 16.7°C (62.1°F). Apatitas in September experiences a low-temperature average of 12.2°C (54°F).Humidity
The average relative humidity in September is 67%.Rainfall
In Apatitas, Chile, in September, it is raining for 1.5 days, with typically 1mm (0.04") of accumulated precipitation. In Apatitas, during the entire year, the rain falls for 17.5 days and collects up to 44mm (1.73") of precipitation.Daylight
In September, the average length of the day is 11h and 56min.On the first day of the month, sunrise is at 06:59 and sunset at 18:30 -04. On the last day of September, sunrise is at 07:23 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 9.5h.UV index
June through September, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the UV index of 4 transforms into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
When does Daylight Saving Time (DST) start in September?
How many hours of sunshine does Apatitas have in September?
What are the months with the lowest UV index?
What is the UV index reading in September?
Average temperature in September
Apatitas, Chile
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is February (22.3°C).
The month with the lowest average high temperature is July (16.3°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is February (17°C).
The coldest month (with the lowest average low temperature) is July (11.7°C).
Average pressure in September
Apatitas, Chile
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is July (1018.9mbar).
The month with the lowest atmospheric pressure is February (1014.1mbar).
Average wind speed in September
Apatitas, Chile
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is November (13.5km/h).
The calmest month (with the lowest average wind speed) is May (9.9km/h).
Average humidity in September
Apatitas, Chile
- Average humidity in September: 67%
The months with the highest relative humidity are January and February (73%).
The months with the lowest relative humidity are June and July (66%).
Average rainfall in September
Apatitas, Chile
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is June (20mm).
The driest months (with the least rainfall) are January, November and December (0mm).
Average rainfall days in September
Apatitas, Chile
- Average rainfall days in September: 1.5 days
The month with the highest number of rainy days is June (3.1 days).
The month with the least rainy days is November (0.3 days).
Average daylight in September /
Average sunshine in September
Apatitas, Chile
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are January, February and December (Average sunshine: 9h and 54min).
The months with the least sunshine are May, June and July (Average sunshine: 9h and 6min).
Average sunshine days in September
Apatitas, Chile
- Average sunshine days in September: 28.3 days
The month with the most sunshine days is March (29.9 days).
The month with the least sunshine days is June (26.5 days).
Average UV index in September
Apatitas, 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 June, July, August and September (UV index 4).
Average cloud cover in September
Apatitas, Chile
- Average cloud cover in September: 12
The month with the most cloud cover is May (Cloud cover 16).
The month with the least cloud cover is February (Cloud cover 6).
Average visibility in September
Apatitas, 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).
