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
The arrival of September is marked by an average high-temperature of a still moderately hot 26°C (78.8°F), bearing a close resemblance to August. Rioja's average low-temperature in September is measured at a refreshing 15.5°C (59.9°F).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 77%.Rainfall
In Rioja, in September, it is raining for 25.3 days, with typically 94mm (3.7") of accumulated precipitation. In Rioja, during the entire year, the rain falls for 306 days and collects up to 1140mm (44.88") of precipitation.Daylight
The average length of the day in September is 12h and 5min.On the first day of the month, sunrise is at 06:08 and sunset at 18:08. On the last day of September, sunrise is at 05:53 and sunset at 18:03 -05.
Sunshine
In Rioja, the average sunshine in September is 9h.UV index
The months with the lowest UV index in Rioja, Peru, are January through September and December, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Rioja?
What are the least humid months in Rioja?
What is the average humidity in September in Rioja?
How much does it rain in Rioja in September?
How many hours of daylight does Rioja have in September?
When is the sunrise / sunset in September in Rioja?
How many hours of sunshine does Rioja have in September?
What is the month with the lowest UV index in Rioja?
How high is the UV index in September in Rioja?
Average temperature in September
Rioja, Peru
- Average high temperature in September: 26°C
The warmest month (with the highest average high temperature) is October (26.3°C).
The month with the lowest average high temperature is July (24°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is November (17.1°C).
The coldest month (with the lowest average low temperature) is July (14.1°C).
Average pressure in September
Rioja, Peru
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is July (1015.8mbar).
The month with the lowest atmospheric pressure is November (1010.3mbar).
Average wind speed in September
Rioja, Peru
- Average wind speed in September: 4.4km/h
The windiest month (with the highest average wind speed) is December (5km/h).
The calmest month (with the lowest average wind speed) is May (4.1km/h).
Average humidity in September
Rioja, Peru
- Average humidity in September: 77%
The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in September
Rioja, Peru
- Average rainfall in September: 94mm
The wettest month (with the highest rainfall) is March (127mm).
The driest month (with the least rainfall) is June (64mm).
Average rainfall days in September
Rioja, Peru
- Average rainfall days in September: 25.3 days
The month with the highest number of rainy days is March (28.9 days).
The month with the least rainy days is June (22.3 days).
Average daylight in September /
Average sunshine in September
Rioja, Peru
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is November (Average sunshine: 9h and 24min).
The month with the least sunshine is March (Average sunshine: 6h and 30min).
Average sunshine days in September
Rioja, Peru
- Average sunshine days in September: 3.3 days
The month with the most sunshine days is July (6.2 days).
The months with the least sunshine days are March and October (1.9 days).
Average UV index in September
Rioja, Peru
- Average UV index in September: 5
The months with the highest UV index are October and November (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September and December (UV index 5).
Average cloud cover in September
Rioja, Peru
- Average cloud cover in September: 38
The month with the most cloud cover is March (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in September
Rioja, Peru
- Average visibility in September: 8km
The months with the highest visibility are August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June and July (7km).
Rioja, Peru
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