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
A modest decline in the average high-temperature is seen during September, decreasing from 19.3°C (66.7°F) in August to a still refreshing 14.5°C (58.1°F). During September, an average low-temperature of 6.9°C (44.4°F) is observed.Humidity
The average relative humidity in September is 81%.Rainfall
In Sibo, in September, during 10.7 rainfall days, 23mm (0.91") of precipitation is typically accumulated. In Sibo, during the entire year, the rain falls for 122.8 days and collects up to 298mm (11.73") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Sibo is 12h and 54min.On the first day of September, sunrise is at 05:46 and sunset at 20:00. On the last day of the month, sunrise is at 06:58 and sunset at 18:28 CEST.
Sunshine
In September, the average sunshine in Sibo is 7.2h.UV index
In Sibo, 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: The maximum daily UV index of 3 in September interprets into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Sibo?
What is the average humidity in September in Sibo?
How much does it rain in Sibo in September?
When it does not snow in Sibo?
Does it snow in Sibo in September?
What is the average length of the day in September in Sibo?
When is the sunrise / sunset in September in Sibo?
How long on average sun shines in September in Sibo?
What is the UV index reading in September in Sibo?
Average temperature in September
Sibo, Sweden
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in September: 6.9°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).
Average pressure in September
Sibo, Sweden
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.5mbar).
Average wind speed in September
Sibo, Sweden
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is December (11km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Sibo, Sweden
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Sibo, Sweden
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Sibo, Sweden
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Sibo, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (120mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sibo, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sibo, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Sibo, Sweden
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Sibo, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Sibo, Sweden
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 45).
Average visibility in September
Sibo, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (6km).
