September weather forecastGrimstorp, Sweden
September
Weather in September
September, the first month of the autumn in Grimstorp, is still a refreshing month, with temperature in the range of an average low of 8.3°C (46.9°F) and an average high of 15.5°C (59.9°F).Temperature
Grimstorp observes a small decrease in the average high-temperature with the arrival of September, falling from August's enjoyable 19.8°C (67.6°F) to a still refreshing 15.5°C (59.9°F). Grimstorp's temperature drops to an average low of 8.3°C (46.9°F) during the nights of September.Humidity
In September, the average relative humidity is 82%.Rainfall
In Grimstorp, in September, it is raining for 11.9 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, there are 131 rainfall days, and 365mm (14.37") of precipitation is accumulated.Snowfall
In Grimstorp, snow does not fall in June through September.Daylight
In September, the average length of the day in Grimstorp, Sweden, is 12h and 47min.On the first day of the month, sunrise is at 06:03 and sunset at 19:58. On the last day of September, in Grimstorp, sunrise is at 07:04 and sunset at 18:37 CEST.
Sunshine
In Grimstorp, the average sunshine in September is 7h.UV index
In September, the average daily maximum UV index in Grimstorp, Sweden, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 in September translates into this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grimstorp, Sweden
- Average high temperature in September: 15.5°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (11.6°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).
Average pressure in September
Grimstorp, Sweden
- Average pressure in September: 1014.3mbar
The months with the highest atmospheric pressure are April and May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in September
Grimstorp, Sweden
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (11.8km/h).
Average humidity in September
Grimstorp, Sweden
- Average humidity in September: 82%
The months with the highest relative humidity are January, February and November (91%).
The months with the lowest relative humidity are April and May (71%).
Average rainfall in September
Grimstorp, Sweden
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Grimstorp, Sweden
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Grimstorp, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (156mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grimstorp, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grimstorp, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The months with the least sunshine are January and December (Average sunshine: 2h and 36min).
Average sunshine days in September
Grimstorp, Sweden
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is December (10.3 days).
Average UV index in September
Grimstorp, Sweden
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January and March (UV index 1).
Average cloud cover in September
Grimstorp, Sweden
- Average cloud cover in September: 54
The months with the most cloud cover are January, November and December (Cloud cover 74).
The month with the least cloud cover is April (Cloud cover 45).
Average visibility in September
Grimstorp, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January and February (7km).





