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
September heralds a minor drop in average high-temperature, sliding from August's comfortable 18.7°C (65.7°F) to a mild 15.1°C (59.2°F). Throughout September, a modest shift from daytime highs is anticipated, with an average low-temperature of 11.5°C (52.7°F).Humidity
The average relative humidity in September in Örsö, Sweden, is 80%.Rainfall
In Örsö, during September, the rain falls for 11.6 days and regularly aggregates up to 21mm (0.83") of precipitation. Throughout the year, in Örsö, Sweden, there are 125.3 rainfall days, and 261mm (10.28") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Örsö.Daylight
In September, the average length of the day is 12h and 50min.On the first day of September, sunrise is at 05:43 and sunset at 19:47. On the last day of the month, sunrise is at 06:49 and sunset at 18:21 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
In Örsö, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 3 in September transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Örsö?
What is the average humidity in September in Örsö?
How much does it rain in Örsö in September?
When it does not snow in Örsö?
Does it snow in Örsö in September?
How many hours of daylight does Örsö have in September?
When are sunrise and sunset in September in Örsö?
How many hours of sunshine does Örsö have in September?
What is the UV index intensity in September in Örsö?
Average temperature in September
Örsö, Sweden
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The months with the lowest average high temperature are January and February (0.4°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in September
Örsö, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Örsö, Sweden
- Average wind speed in September: 18.9km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (15.8km/h).
Average humidity in September
Örsö, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February, November and December (85%).
The months with the lowest relative humidity are April, May and June (77%).
Average rainfall in September
Örsö, Sweden
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in September
Örsö, Sweden
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Örsö, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (41mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Örsö, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Örsö, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Örsö, Sweden
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is May (17.9 days).
The month with the least sunshine days is December (11.7 days).
Average UV index in September
Örsö, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Örsö, Sweden
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Örsö, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
