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
September brings a slight decrease in temperature, down from a pleasant 20.5°C (68.9°F) in August to an enjoyable 17.1°C (62.8°F). September sees a slight dip to an average low temperature of 12.5°C (54.5°F) from the daytime highs.Humidity
In Köpingebro, the average relative humidity in September is 78%.Rainfall
In Köpingebro, in September, it is raining for 13.9 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, in Köpingebro, there are 158 rainfall days, and 356mm (14.02") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Köpingebro, the average length of the day in September is 12h and 44min.On the first day of September in Köpingebro, sunrise is at 06:10 and sunset at 19:57. On the last day of the month, sunrise is at 07:06 and sunset at 18:42 CEST.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Köpingebro?
What is the average humidity in September in Köpingebro?
How much does it rain in Köpingebro in September?
When it does not snow in Köpingebro?
How many hours of daylight does Köpingebro have in September?
When is the sunrise / sunset in September in Köpingebro?
How long on average sun shines in September in Köpingebro?
How high is the UV index in September in Köpingebro?
Average temperature in September
Köpingebro, Sweden
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is August (20.5°C).
The month with the lowest average high temperature is February (2.5°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in September
Köpingebro, Sweden
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is April (1015.7mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in September
Köpingebro, Sweden
- Average wind speed in September: 19.2km/h
The windiest month (with the highest average wind speed) is December (23.1km/h).
The calmest month (with the lowest average wind speed) is June (16.7km/h).
Average humidity in September
Köpingebro, Sweden
- Average humidity in September: 78%
The months with the highest relative humidity are January, February, November and December (86%).
The months with the lowest relative humidity are April, May, June, July and August (76%).
Average rainfall in September
Köpingebro, Sweden
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is August (41mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Köpingebro, Sweden
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Köpingebro, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (42mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Köpingebro, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Köpingebro, Sweden
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Köpingebro, Sweden
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is April (17.4 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in September
Köpingebro, Sweden
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Köpingebro, Sweden
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Köpingebro, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
Köpingebro, Sweden
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