September weather forecastOleby, Sweden
September
Weather in September
September, the first month of the autumn in Oleby, is also a moderate month, with an average temperature fluctuating between 14.5°C (58.1°F) and 6.7°C (44.1°F).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a refreshing 19.2°C (66.6°F) in August to a mild 14.5°C (58.1°F). Oleby's nighttime temperature in September falls to an average of 6.7°C (44.1°F).Humidity
The average relative humidity in September is 82%.Rainfall
In Oleby, in September, it is raining for 12.4 days, with typically 33mm (1.3") of accumulated precipitation. In Oleby, during the entire year, the rain falls for 147.3 days and collects up to 400mm (15.75") of precipitation.Snowfall
In Oleby, snow does not fall in June through September.Daylight
The average length of the day in September in Oleby is 12h and 52min.On the first day of September in Oleby, sunrise is at 06:03 and sunset at 20:11. On the last day of the month, sunrise is at 07:12 and sunset at 18:42 CEST.
Sunshine
In Oleby, the average sunshine in September is 7.1h.UV index
In Oleby, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oleby, 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 (-2.4°C).
- Average low temperature in September: 6.7°C
The month with the highest average low temperature is July (10.8°C).
The coldest months (with the lowest average low temperature) are January and February (-7.1°C).
Average pressure in September
Oleby, Sweden
- Average pressure in September: 1012.8mbar
The months with the highest atmospheric pressure are April and May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Oleby, Sweden
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is January (10km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Oleby, Sweden
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in September
Oleby, Sweden
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (47mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Oleby, Sweden
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Oleby, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is March (113mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Oleby, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Oleby, Sweden
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in September
Oleby, Sweden
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (14.2 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in September
Oleby, 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, February, March, November and December (UV index 1).
Average cloud cover in September
Oleby, Sweden
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in September
Oleby, Sweden
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (6km).
