September weather forecastAmmenäs, Sweden
September
Weather in September
September, the first month of the autumn in Ammenäs, is also a moderate month, with an average temperature varying between 9.7°C (49.5°F) and 15.8°C (60.4°F).Temperature
In September, the average high-temperature marginally decreases from an enjoyable 19.5°C (67.1°F) in August to a mild 15.8°C (60.4°F). September's average low-temperature reading settles at a frosty 9.7°C (49.5°F).Humidity
In September, the average relative humidity is 81%.Rainfall
In Ammenäs, Sweden, during September, the rain falls for 15 days and regularly aggregates up to 43mm (1.69") of precipitation. Throughout the year, there are 170 rainfall days, and 507mm (19.96") of precipitation is accumulated.Snowfall
In Ammenäs, Sweden, snow does not fall in June through September.Daylight
In Ammenäs, the average length of the day in September is 12h and 49min.On the first day of the month, sunrise is at 06:13 and sunset at 20:11. On the last day of September, sunrise is at 07:16 and sunset at 18:48 CEST.
Sunshine
The average sunshine in September in Ammenäs is 7.5h.UV index
The average daily maximum UV index in September in Ammenäs is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 in September translates into these instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ammenäs, Sweden
- Average high temperature in September: 15.8°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 9.7°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).
Average pressure in September
Ammenäs, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in September
Ammenäs, Sweden
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Ammenäs, 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
Ammenäs, Sweden
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is August (58mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Ammenäs, Sweden
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in September
Ammenäs, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (68mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ammenäs, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ammenäs, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 6min).
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 months with the least sunshine are February and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Ammenäs, Sweden
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is August (10.3 days).
Average UV index in September
Ammenäs, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Ammenäs, Sweden
- Average cloud cover in September: 48
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
Ammenäs, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
