September weather forecastGrimeton, Sweden
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Grimeton, Sweden, with an average temperature ranging between max 16.1°C (61°F) and min 12.3°C (54.1°F).Temperature
The start of September signals a gentle decrease in the average high-temperature, transitioning from a refreshing 19.2°C (66.6°F) in August to a still enjoyable 16.1°C (61°F). The September average low temperature, marginally lower than the daytime high, records at a fresh 12.3°C (54.1°F).Humidity
In Grimeton, the average relative humidity in September is 79%.Rainfall
In Grimeton, Sweden, in September, during 17.2 rainfall days, 60mm (2.36") of precipitation is typically accumulated. Throughout the year, in Grimeton, Sweden, there are 179.3 rainfall days, and 584mm (22.99") of precipitation is accumulated.Snowfall
In Grimeton, snow does not fall in May through October.Daylight
The average length of the day in September in Grimeton, Sweden, is 12h and 46min.On the first day of September in Grimeton, sunrise is at 06:13 and sunset at 20:06. On the last day of the month, sunrise is at 07:13 and sunset at 18:47 CEST.
Sunshine
In Grimeton, the average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index in Grimeton, Sweden, is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grimeton, Sweden
- Average high temperature in September: 16.1°C
The warmest months (with the highest average high temperature) are July and August (19.2°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).
Average pressure in September
Grimeton, Sweden
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is April (1015mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in September
Grimeton, Sweden
- Average wind speed in September: 19.6km/h
The windiest month (with the highest average wind speed) is December (23.9km/h).
The calmest months (with the lowest average wind speed) are May and June (16.8km/h).
Average humidity in September
Grimeton, Sweden
- Average humidity in September: 79%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Grimeton, Sweden
- Average rainfall in September: 60mm
The wettest month (with the highest rainfall) is August (81mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Grimeton, Sweden
- Average rainfall days in September: 17.2 days
The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Grimeton, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grimeton, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grimeton, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 24min).
Average sunshine days in September
Grimeton, Sweden
- Average sunshine days in September: 9.6 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Grimeton, Sweden
- Average UV index in September: 4
The month with the highest UV index is June (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Grimeton, Sweden
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in September
Grimeton, Sweden
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
