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's onset brings a negligible change in high-temperatures, falling from an enjoyable 19.8°C (67.6°F) in August to a mild 15.5°C (59.9°F). Nighttime temperatures during September report a consistent average of 10.5°C (50.9°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Sickla, in September, during 11.8 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 132.1 rainfall days, and 289mm (11.38") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Sickla is 12h and 50min.On the first day of the month, sunrise is at 05:45 and sunset at 19:49. On the last day of September, sunrise is at 06:51 and sunset at 18:23 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Put precautions into practice - Guidance to elude sunburn is provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. 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
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September in Sickla?
When it does not snow?
Does it snow in September?
How many hours of daylight does Sickla have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Sickla have in September?
What is the UV index intensity in September?
Average temperature in September
Sickla, Sweden
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-0.1°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Sickla, 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 (1007.9mbar).
Average wind speed in September
Sickla, Sweden
- Average wind speed in September: 16km/h
The windiest month (with the highest average wind speed) is December (20.9km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).
Average humidity in September
Sickla, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, November and December (86%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Sickla, Sweden
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Sickla, Sweden
- Average rainfall days in September: 11.8 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Sickla, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sickla, Sweden
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sickla, 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 30min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in September
Sickla, Sweden
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is December (11 days).
Average UV index in September
Sickla, 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 and February (UV index 1).
Average cloud cover in September
Sickla, Sweden
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Sickla, Sweden
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).
