September weather forecastHolmeja, Sweden
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Holmeja, Sweden, with temperature in the range of an average low of 12.5°C (54.5°F) and an average high of 17.1°C (62.8°F).Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from an agreeable 20.8°C (69.4°F) in August to a comfortable 17.1°C (62.8°F). Holmeja's nocturnal September readings average at a cool 12.5°C (54.5°F), showing little variation from the daytime temperatures.Humidity
In September, the average relative humidity in Holmeja is 77%.Rainfall
In Holmeja, in September, it is raining for 14.7 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 164.5 rainfall days, and 453mm (17.83") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Holmeja, Sweden.Daylight
The average length of the day in September in Holmeja is 12h and 44min.On the first day of September, sunrise is at 06:13 and sunset at 20:00. On the last day of the month, sunrise is at 07:08 and sunset at 18:44 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
In Holmeja, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holmeja, Sweden
- Average high temperature in September: 17.1°C
The warmest months (with the highest average high temperature) are July and August (20.8°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Holmeja, Sweden
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.4mbar).
Average wind speed in September
Holmeja, Sweden
- Average wind speed in September: 18.2km/h
The windiest month (with the highest average wind speed) is December (21.6km/h).
The calmest month (with the lowest average wind speed) is July (15.7km/h).
Average humidity in September
Holmeja, Sweden
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are April, May, June and July (74%).
Average rainfall in September
Holmeja, Sweden
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Holmeja, Sweden
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Holmeja, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (47mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Holmeja, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Holmeja, Sweden
- Average daylight in September: 12h and 42min
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: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Holmeja, Sweden
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is April (16 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in September
Holmeja, 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
Holmeja, Sweden
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Holmeja, 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).
