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 snowfall in September
- Average snowfall 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
With September's arrival, Chena notes an average high-temperature of a still refreshing 17.5°C (63.5°F), closely following the trend of the preceding month. Chena undergoes a major shift from daytime highs, averaging an icy 5.4°C (41.7°F) during the night in September.Humidity
In September, the average relative humidity is 57%.Rainfall
In Chena, in September, during 6 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, there are 47.7 rainfall days, and 171mm (6.73") of precipitation is accumulated.Snowfall
In Chena, snow does not fall in January through June, August through December.Daylight
In Chena, the average length of the day in September is 11h and 54min.On the first day of the month, sunrise is at 06:59 and sunset at 18:25 -04. On the last day of September, sunrise is at 07:20 and sunset at 19:45 -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
The average sunshine in September is 8.9h.UV index
The months with the lowest UV index are June, July and September, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Chena in September?
What is the average humidity in September in Chena?
How many days does it rain in September in Chena?
When it does not snow in Chena?
What is the average length of the day in September in Chena?
When is the sunrise / sunset in September in Chena?
When does Daylight Saving Time (DST) start in September in Chena?
How long on average sun shines in September in Chena?
What is the month with the lowest UV index in Chena?
How high is the UV index in September in Chena?
Average temperature in September
Chena, Chile
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is January (28.4°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in September: 5.4°C
The month with the highest average low temperature is January (13.4°C).
The coldest month (with the lowest average low temperature) is July (4.3°C).
Average pressure in September
Chena, Chile
- Average pressure in September: 1019.1mbar
The month with the highest atmospheric pressure is July (1019.7mbar).
The month with the lowest atmospheric pressure is February (1014.4mbar).
Average wind speed in September
Chena, Chile
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is January (7.5km/h).
The calmest month (with the lowest average wind speed) is May (5.8km/h).
Average humidity in September
Chena, Chile
- Average humidity in September: 57%
The month with the highest relative humidity is July (59%).
The month with the lowest relative humidity is March (40%).
Average rainfall in September
Chena, Chile
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is June (50mm).
The driest months (with the least rainfall) are February and March (1mm).
Average rainfall days in September
Chena, Chile
- Average rainfall days in September: 6 days
The month with the highest number of rainy days is July (7.3 days).
The month with the least rainy days is February (0.6 days).
Average snowfall in September
Chena, Chile
- 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
Chena, Chile
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is July (0.2 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
Chena, Chile
- Average daylight in September: 11h and 5min
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 5min
The months with the most sunshine are January, February and December (Average sunshine: 9h and 54min).
The month with the least sunshine is June (Average sunshine: 8h and 12min).
Average sunshine days in September
Chena, Chile
- Average sunshine days in September: 21.8 days
The month with the most sunshine days is March (29.3 days).
The months with the least sunshine days are June and September (21.8 days).
Average UV index in September
Chena, Chile
- Average UV index in September: 3
The month with the highest UV index is January (UV index 6).
The months with the lowest UV index are June, July and September (UV index 3).
Average cloud cover in September
Chena, Chile
- Average cloud cover in September: 21
The month with the most cloud cover is June (Cloud cover 26).
The month with the least cloud cover is February (Cloud cover 3).
Average visibility in September
Chena, 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).
