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
Weather in September
Temperature
September experiences an average high-temperature of a still cool 12.5°C (54.5°F), barely different from August's 10.5°C (50.9°F). In the month of September, the nighttime temperature in Río Negro, Chile, dips to a steady average of 3.5°C (38.3°F).Humidity
The average relative humidity in September in Río Negro is 86%.Rainfall
In September, in Río Negro, Chile, the rain falls for 17.6 days. Throughout September, 75mm (2.95") of precipitation is accumulated. Throughout the year, there are 192.5 rainfall days, and 1056mm (41.57") of precipitation is accumulated.Daylight
The average length of the day in September is 11h and 51min.On the first day of the month, sunrise is at 07:15 and sunset at 18:29 -04. On the last day of September, sunrise is at 07:27 and sunset at 19:58 -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 Río Negro, the average sunshine in September is 5.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Take precautions - Protection against sunburn is recommended. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What are the temperatures in Río Negro in September?
What is the average humidity in September in Río Negro?
How many days does it rain in September in Río Negro?
What is the average length of the day in September in Río Negro?
What time are sunrise and sunset in September in Río Negro?
When does Daylight Saving Time (DST) start in September in Río Negro?
How long on average sun shines in September in Río Negro?
What is the UV index reading in September in Río Negro?
Average temperature in September
Río Negro, Chile
- Average high temperature in September: 12.5°C
The warmest months (with the highest average high temperature) are January and February (21.9°C).
The month with the lowest average high temperature is July (9.5°C).
- Average low temperature in September: 3.5°C
The month with the highest average low temperature is February (9.4°C).
The coldest month (with the lowest average low temperature) is July (3.3°C).
Average pressure in September
Río Negro, Chile
- Average pressure in September: 1019.8mbar
The month with the highest atmospheric pressure is September (1019.8mbar).
The month with the lowest atmospheric pressure is February (1015.8mbar).
Average wind speed in September
Río Negro, Chile
- Average wind speed in September: 9.6km/h
The windiest months (with the highest average wind speed) are January and December (10.7km/h).
The calmest month (with the lowest average wind speed) is April (8.5km/h).
Average humidity in September
Río Negro, Chile
- Average humidity in September: 86%
The months with the highest relative humidity are June and July (91%).
The month with the lowest relative humidity is January (74%).
Average rainfall in September
Río Negro, Chile
- Average rainfall in September: 75mm
The wettest month (with the highest rainfall) is June (175mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in September
Río Negro, Chile
- Average rainfall days in September: 17.6 days
The month with the highest number of rainy days is August (21.9 days).
The month with the least rainy days is January (9.1 days).
Average daylight in September /
Average sunshine in September
Río Negro, Chile
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 15h and 0min).
The month with the shortest days is June (Average daylight: 9h and 18min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is January (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 3h and 30min).
Average sunshine days in September
Río Negro, Chile
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in September
Río Negro, Chile
- Average UV index in September: 3
The month with the highest UV index is February (UV index 5).
The months with the lowest UV index are May, June and July (UV index 2).
Average cloud cover in September
Río Negro, Chile
- Average cloud cover in September: 57
The month with the most cloud cover is June (Cloud cover 66).
The month with the least cloud cover is January (Cloud cover 37).
Average visibility in September
Río Negro, Chile
- Average visibility in September: 7km
The months with the highest visibility are January, February, March and December (8km).
The months with the lowest visibility are April, May, June, July, August, September, October and November (7km).
Río Negro, Chile
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