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
The arrival of September coincides with an average high-temperature of an enjoyable 17.3°C (63.1°F), indicating a minimal shift from August's 15.1°C (59.2°F). Iruya documents a substantial shift from daytime warmth, recording an average nighttime temperature of 2.8°C (37°F) in September.Humidity
The average relative humidity in September is 36%.Rainfall
Months with rainfall are January through May, July, September through December. September is the first month it rains. Throughout September, in the average 2.5 rainfall days, it receives 4mm (0.16") of precipitation. In Iruya, Argentina, during the entire year, the rain falls for 121.9 days and collects up to 390mm (15.35") of precipitation.Snowfall
April, August through December are months without snowfall in Iruya.Daylight
In September, the average length of the day in Iruya is 11h and 59min.On the first day of the month, sunrise is at 07:30 and sunset at 19:10. On the last day of September, in Iruya, sunrise is at 07:01 and sunset at 19:19 -03.
Sunshine
June through September, with an average of 10h of sunshine, are months with the most sunshine in Iruya, Argentina.UV index
The months with the highest UV index are February, March, September through December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Iruya?
What is the average humidity in September in Iruya?
When does it start raining in Iruya?
When it does not snow in Iruya?
What is the average length of the day in September in Iruya?
When is the sunrise / sunset in September in Iruya?
What is the month with the most sunshine in Iruya?
How long on average sun shines in September in Iruya?
What are the months with the highest UV index in Iruya?
What is the UV index reading in September in Iruya?
Average temperature in September
Iruya, Argentina
- Average high temperature in September: 17.3°C
The warmest month (with the highest average high temperature) is November (19.6°C).
The months with the lowest average high temperature are June and July (13°C).
- Average low temperature in September: 2.8°C
The month with the highest average low temperature is December (9.3°C).
The coldest month (with the lowest average low temperature) is July (-0.6°C).
Average pressure in September
Iruya, Argentina
- Average pressure in September: 1015.9mbar
The month with the highest atmospheric pressure is July (1018.3mbar).
The month with the lowest atmospheric pressure is December (1011.7mbar).
Average wind speed in September
Iruya, Argentina
- Average wind speed in September: 14.6km/h
The windiest month (with the highest average wind speed) is October (15km/h).
The calmest month (with the lowest average wind speed) is May (11.2km/h).
Average humidity in September
Iruya, Argentina
- Average humidity in September: 36%
The month with the highest relative humidity is February (65%).
The months with the lowest relative humidity are June and July (30%).
Average rainfall in September
Iruya, Argentina
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is January (98mm).
The driest months (with the least rainfall) are June and August (0mm).
Average rainfall days in September
Iruya, Argentina
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is January (22.9 days).
The months with the least rainy days are June and July (0.3 days).
Average snowfall in September
Iruya, Argentina
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, August, September, October, November and December (0mm).
Average snowfall days in September
Iruya, Argentina
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is May (0.5 days).
The months with the least snowfall days are August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Iruya, Argentina
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).
- Average sunshine in September: 10h and 0min
The months with the most sunshine are June, July, August and September (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 9h and 24min).
Average sunshine days in September
Iruya, Argentina
- Average sunshine days in September: 24.1 days
The month with the most sunshine days is July (30.5 days).
The month with the least sunshine days is December (2.7 days).
Average UV index in September
Iruya, Argentina
- Average UV index in September: 4
The months with the highest UV index are February, March, September, October, November and December (UV index 4).
The months with the lowest UV index are January, April, May, June, July and August (UV index 3).
Average cloud cover in September
Iruya, Argentina
- Average cloud cover in September: 5
The months with the most cloud cover are January and February (Cloud cover 24).
The months with the least cloud cover are June and July (Cloud cover 3).
Average visibility in September
Iruya, Argentina
- 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).
