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 brings a slight increase in the average high-temperature, progressing from a mild 15.3°C (59.5°F) in August to a still refreshing 18.5°C (65.3°F). Nirivilo registers a significant drop in temperature in September, with average nighttime lows of 5.9°C (42.6°F).Humidity
The average relative humidity in September in Nirivilo is 73%.Rainfall
In Nirivilo, in September, it is raining for 7.4 days, with typically 37mm (1.46") of accumulated precipitation. In Nirivilo, during the entire year, the rain falls for 66 days and collects up to 445mm (17.52") of precipitation.Daylight
In September, the average length of the day in Nirivilo is 11h and 53min.On the first day of the month, sunrise is at 07:06 and sunset at 18:29 -04. On the last day of September, sunrise is at 07:24 and sunset at 19:51 -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 in Nirivilo is 8.2h.UV index
The average daily maximum UV index in September in Nirivilo is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What are the temperatures in Nirivilo in September?
What is the average humidity in September in Nirivilo?
How many days does it rain in September in Nirivilo?
How many hours of daylight does Nirivilo have in September?
When are sunrise and sunset in September in Nirivilo?
When does Daylight Saving Time (DST) start in September in Nirivilo?
How many hours of sunshine does Nirivilo have in September?
How high is the UV index in September in Nirivilo?
Average temperature in September
Nirivilo, Chile
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is January (31.8°C).
The month with the lowest average high temperature is July (13.3°C).
- Average low temperature in September: 5.9°C
The month with the highest average low temperature is January (13°C).
The coldest month (with the lowest average low temperature) is July (4.8°C).
Average pressure in September
Nirivilo, Chile
- Average pressure in September: 1019.5mbar
The month with the highest atmospheric pressure is July (1020.1mbar).
The month with the lowest atmospheric pressure is February (1013.9mbar).
Average wind speed in September
Nirivilo, Chile
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is January (9.6km/h).
The calmest month (with the lowest average wind speed) is May (6.9km/h).
Average humidity in September
Nirivilo, Chile
- Average humidity in September: 73%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (50%).
Average rainfall in September
Nirivilo, Chile
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is June (117mm).
The driest months (with the least rainfall) are January and February (2mm).
Average rainfall days in September
Nirivilo, Chile
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is July (10.6 days).
The month with the least rainy days is February (1.1 days).
Average daylight in September /
Average sunshine in September
Nirivilo, Chile
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 30min).
The month with the shortest days is June (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is January (Average sunshine: 11h and 30min).
The month with the least sunshine is June (Average sunshine: 7h and 30min).
Average sunshine days in September
Nirivilo, Chile
- Average sunshine days in September: 21.7 days
The month with the most sunshine days is March (29.3 days).
The month with the least sunshine days is June (18.8 days).
Average UV index in September
Nirivilo, Chile
- Average UV index in September: 4
The months with the highest UV index are January, February and December (UV index 6).
The months with the lowest UV index are June and July (UV index 3).
Average cloud cover in September
Nirivilo, Chile
- Average cloud cover in September: 30
The months with the most cloud cover are June and August (Cloud cover 36).
The months with the least cloud cover are January and February (Cloud cover 7).
Average visibility in September
Nirivilo, Chile
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
Nirivilo, Chile
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