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
Weather in September
Temperature
As August makes way for September, Rätan's average high-temperature eases from a refreshing 16.1°C (61°F) to a cool 11.3°C (52.3°F). Rätan, in September, experiences an average temperature of 4.5°C (40.1°F) at night.Humidity
The average relative humidity in September in Rätan is 82%.Rainfall
In Rätan, in September, it is raining for 13.7 days, with typically 40mm (1.57") of accumulated precipitation. In Rätan, during the entire year, the rain falls for 110 days and collects up to 502mm (19.76") of precipitation.Snowfall
Months with snowfall are January through July, September through December. September is the first month it typically snows in Rätan. Throughout September, in the average 2.7 snowfall days, it receives 53mm (2.09") of snow. In Rätan, during the entire year, snow falls for 135.3 days and aggregates up to 1873mm (73.74") of snow.Daylight
In Rätan, the average length of the day in September is 12h and 57min.On the first day of the month, sunrise is at 05:51 and sunset at 20:12. On the last day of September, in Rätan, sunrise is at 07:08 and sunset at 18:35 CEST.
Sunshine
The average sunshine in September is 6.4h.UV index
The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in September translates into this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Rätan?
What is the average humidity in September in Rätan?
How much does it rain in Rätan in September?
When does it start snowing in Rätan?
What is the average length of the day in September in Rätan?
What time are sunrise and sunset in September in Rätan?
How many hours of sunshine does Rätan have in September?
How high is the UV index in September in Rätan?
Average temperature in September
Rätan, Sweden
- Average high temperature in September: 11.3°C
The warmest month (with the highest average high temperature) is July (17.5°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 4.5°C
The month with the highest average low temperature is July (8.7°C).
The coldest months (with the lowest average low temperature) are January and February (-11.3°C).
Average pressure in September
Rätan, Sweden
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1006.3mbar).
Average wind speed in September
Rätan, Sweden
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is June (13.8km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in September
Rätan, Sweden
- Average humidity in September: 82%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Rätan, Sweden
- Average rainfall in September: 40mm
The wettest months (with the highest rainfall) are June and July (58mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Rätan, Sweden
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Rätan, Sweden
- Average snowfall in September: 53mm
The month with the highest snowfall is December (317mm).
The month with the least snowfall is August (0mm).
Average snowfall days in September
Rätan, Sweden
- Average snowfall days in September: 2.7 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are July and August (0.1 days).
Average daylight in September /
Average sunshine in September
Rätan, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in September: 6h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Rätan, Sweden
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in September
Rätan, Sweden
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Rätan, Sweden
- Average cloud cover in September: 57
The month with the most cloud cover is February (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 52).
Average visibility in September
Rätan, Sweden
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February, March, November and December (7km).
Rätan, Sweden
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