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
In September, Oyon experiences a minor shift in meteorological conditions with average high-temperatures marked at a still cool 11.9°C (53.4°F), closely mirroring the climate in August. An average low-temperature of 2.7°C (36.9°F) is noted during the month of September.Humidity
In September, the average relative humidity is 74%.Rainfall
In Oyon, Peru, during September, the rain falls for 18.9 days and regularly aggregates up to 40mm (1.57") of precipitation. In Oyon, during the entire year, the rain falls for 265.7 days and collects up to 1106mm (43.54") of precipitation.Snowfall
January through December are months with snowfall. In September, it is snowing for 5.6 days. Throughout September, 33mm (1.3") of snow is accumulated. In Oyon, during the entire year, snow falls for 91.8 days and aggregates up to 809mm (31.85") of snow.Daylight
The average length of the day in September is 12h and 3min.On the first day of the month, sunrise is at 06:09 and sunset at 18:04. On the last day of September, sunrise is at 05:50 and sunset at 18:02 -05.
Sunshine
In Oyon, the average sunshine in September is 10.7h.UV index
January through May, August through December, with an average maximum UV index of 3, are months with the highest UV index. 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: The maximum UV index of 3 during September translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
How much does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Oyon have in September?
What is the month with the highest UV index?
How high is the UV index in September?
Average temperature in September
Oyon, Peru
- Average high temperature in September: 11.9°C
The warmest month (with the highest average high temperature) is November (13.9°C).
The month with the lowest average high temperature is July (11°C).
- Average low temperature in September: 2.7°C
The month with the highest average low temperature is December (5°C).
The coldest month (with the lowest average low temperature) is July (0.3°C).
Average pressure in September
Oyon, Peru
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is July (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in September
Oyon, Peru
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is September (9.6km/h).
The calmest month (with the lowest average wind speed) is February (7.4km/h).
Average humidity in September
Oyon, Peru
- Average humidity in September: 74%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall in September
Oyon, Peru
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is February (176mm).
The driest month (with the least rainfall) is June (14mm).
Average rainfall days in September
Oyon, Peru
- Average rainfall days in September: 18.9 days
The month with the highest number of rainy days is January (29.5 days).
The month with the least rainy days is June (11.4 days).
Average snowfall in September
Oyon, Peru
- Average snowfall in September: 33mm
The month with the highest snowfall is January (137mm).
The month with the least snowfall is June (19mm).
Average snowfall days in September
Oyon, Peru
- Average snowfall days in September: 5.6 days
The months with the highest number of snowfall days are January and August (9.7 days).
The month with the least snowfall days is November (5.5 days).
Average daylight in September /
Average sunshine in September
Oyon, Peru
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 10h and 4min
The month with the most sunshine is October (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 18min).
Average sunshine days in September
Oyon, Peru
- Average sunshine days in September: 5.4 days
The month with the most sunshine days is June (12.3 days).
The month with the least sunshine days is February (0.2 days).
Average UV index in September
Oyon, Peru
- Average UV index in September: 3
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 3).
The months with the lowest UV index are June and July (UV index 2).
Average cloud cover in September
Oyon, Peru
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Oyon, Peru
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
