September weather forecastNikkala, Sweden
September
Weather in September
September, the first month of the autumn in Nikkala, is still a cool month, with an average temperature fluctuating between 7.8°C (46°F) and 12.3°C (54.1°F).Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from an enjoyable 16.7°C (62.1°F) in August to a cool 12.3°C (54.1°F). The temperature in Nikkala during September sees a subtle transition from day to night, averaging a low of 7.8°C (46°F).Humidity
The average relative humidity in September is 82%.Rainfall
In September, the rain falls for 9.6 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, in Nikkala, there are 94 rainfall days, and 347mm (13.66") of precipitation is accumulated.Snowfall
Months with snowfall in Nikkala are January through June, September through December. September is the first month it typically snows in Nikkala, Sweden. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 89.7 snowfall days, and 919mm (36.18") of snow is accumulated.Daylight
The average length of the day in September is 13h and 6min.On the first day of September, sunrise is at 05:02 and sunset at 19:46. On the last day of the month, sunrise is at 06:33 and sunset at 17:55 CEST.
Sunshine
In September, the average sunshine in Nikkala is 6.9h.UV index
In September, the average daily maximum UV index in Nikkala is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nikkala, Sweden
- Average high temperature in September: 12.3°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-10.9°C).
Average pressure in September
Nikkala, Sweden
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).
Average wind speed in September
Nikkala, Sweden
- Average wind speed in September: 15.3km/h
The windiest months (with the highest average wind speed) are November and December (16.3km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in September
Nikkala, Sweden
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Nikkala, Sweden
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Nikkala, Sweden
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Nikkala, Sweden
- Average snowfall in September: 1mm
The month with the highest snowfall is March (203mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Nikkala, Sweden
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Nikkala, Sweden
- Average daylight in September: 13h and 6min
The month with the longest days is July (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 3h and 18min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is July (Average sunshine: 12h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days in September
Nikkala, Sweden
- Average sunshine days in September: 19 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Nikkala, 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
Nikkala, Sweden
- Average cloud cover in September: 51
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Nikkala, Sweden
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The month with the lowest visibility is January (6km).





