September weather forecastHässelby Strand, Sweden
September weather for Hässelby Strand, Sweden: September, the first month of the autumn in Hässelby Strand, is still a refreshing month, with an average temperature fluctuating between 16.1°C (61°F) and 9.6°C (49.3°F). In Hässelby Strand, during September, the rain falls for 13.4 days and regularly aggregates up to 27mm (1.06") of precipitation.
September
Weather in September
September, the first month of the autumn in Hässelby Strand, is still a refreshing month, with an average temperature fluctuating between 16.1°C (61°F) and 9.6°C (49.3°F).Temperature
In Hässelby Strand, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's pleasant 20.5°C (68.9°F) to a comfortable 16.1°C (61°F). September brings an average low-temperature of 9.6°C (49.3°F) to Hässelby Strand.Humidity
The average relative humidity in September is 80%.Rainfall
In Hässelby Strand, during September, the rain falls for 13.4 days and regularly aggregates up to 27mm (1.06") of precipitation. In Hässelby Strand, during the entire year, the rain falls for 133.7 days and collects up to 340mm (13.39") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 05:46 and sunset at 19:50. On the last day of the month, sunrise is at 06:52 and sunset at 18:24 CEST.
Sunshine
The average sunshine in September in Hässelby Strand is 8.1h.UV index
In Hässelby Strand, Sweden, the average daily maximum UV index in September 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: The maximum daily UV index of 3 in September converts into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hässelby Strand, Sweden
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in September
Hässelby Strand, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Hässelby Strand, Sweden
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is December (18km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).
Average humidity in September
Hässelby Strand, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and December (88%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Hässelby Strand, Sweden
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Hässelby Strand, Sweden
- Average rainfall days in September: 13.4 days
The months with the highest number of rainy days are July and August (15.7 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Hässelby Strand, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (86mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hässelby Strand, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hässelby Strand, Sweden
- Average daylight in September: 12h and 48min
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 6min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Hässelby Strand, Sweden
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (17.9 days).
The months with the least sunshine days are July and November (12.5 days).
Average UV index in September
Hässelby Strand, 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
Hässelby Strand, Sweden
- Average cloud cover in September: 43
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Hässelby Strand, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
