September weather forecastStrandhamn, Sweden
September
Weather in September
September, the first month of the autumn in Strandhamn, is still a refreshing month, with an average temperature fluctuating between 15.7°C (60.3°F) and 10°C (50°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a comfortable 19.3°C (66.7°F) in August to a mild 15.7°C (60.3°F). The average low-temperature, in September, is a fresh 10°C (50°F).Humidity
In September, the average relative humidity in Strandhamn is 81%.Rainfall
In September, in Strandhamn, the rain falls for 12.9 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Strandhamn, during the entire year, the rain falls for 136.6 days and collects up to 284mm (11.18") of precipitation.Snowfall
In Strandhamn, snow does not fall in May through October.Daylight
In Strandhamn, the average length of the day in September is 12h and 49min.On the first day of September, sunrise is at 06:14 and sunset at 20:14. On the last day of the month, sunrise is at 07:18 and sunset at 18:50 CEST.
Sunshine
In Strandhamn, the average sunshine in September is 7.5h.UV index
In Strandhamn, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Strandhamn, Sweden
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 10°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is February (-2.6°C).
Average pressure in September
Strandhamn, Sweden
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed in September
Strandhamn, Sweden
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is December (16.1km/h).
The calmest months (with the lowest average wind speed) are June and July (12.9km/h).
Average humidity in September
Strandhamn, Sweden
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Strandhamn, Sweden
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is August (35mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Strandhamn, Sweden
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is August (16 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Strandhamn, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Strandhamn, 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
Strandhamn, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Strandhamn, Sweden
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is March (18.6 days).
The month with the least sunshine days is August (11.8 days).
Average UV index in September
Strandhamn, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Strandhamn, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are June and July (Cloud cover 41).
Average visibility in September
Strandhamn, Sweden
- Average visibility in September: 9km
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is February (8km).





