Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
During the shift to September, a minor reduction in average high-temperature is observed, shifting from an agreeable 21.5°C (70.7°F) in August to a comfortable 16.8°C (62.2°F). September witnesses an average nighttime temperature of 9.7°C (49.5°F).Humidity
The average relative humidity in September is 79%.Rainfall
In Alstermo, during September, the rain falls for 9.7 days and regularly aggregates up to 16mm (0.63") of precipitation. In Alstermo, during the entire year, the rain falls for 120.7 days and collects up to 261mm (10.28") of precipitation.Snowfall
In Alstermo, snow does not fall in June through September.Daylight
In September, the average length of the day in Alstermo, Sweden, is 12h and 46min.On the first day of the month, sunrise is at 06:00 and sunset at 19:53. On the last day of September, in Alstermo, sunrise is at 07:00 and sunset at 18:34 CEST.
Sunshine
In Alstermo, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in Alstermo, Sweden, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in September in Alstermo?
What is the average humidity in September in Alstermo?
How much does it rain in Alstermo in September?
When it does not snow in Alstermo?
Does it snow in Alstermo in September?
How many hours of daylight does Alstermo have in September?
When is the sunrise / sunset in September in Alstermo?
How long on average sun shines in September in Alstermo?
How high is the UV index in September in Alstermo?
Average temperature in September
Alstermo, Sweden
- Average high temperature in September: 16.8°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (-2.3°C).
Average pressure in September
Alstermo, Sweden
- Average pressure in September: 1014.9mbar
The months with the highest atmospheric pressure are April and May (1015.4mbar).
The month with the lowest atmospheric pressure is December (1010.2mbar).
Average wind speed in September
Alstermo, Sweden
- Average wind speed in September: 13.4km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in September
Alstermo, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are February and November (89%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Alstermo, Sweden
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is July (32mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Alstermo, Sweden
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is July (12.8 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Alstermo, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Alstermo, Sweden
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alstermo, Sweden
- Average daylight in September: 12h and 5min
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 54min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 0min).
Average sunshine days in September
Alstermo, Sweden
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is May (18.5 days).
The month with the least sunshine days is February (11.9 days).
Average UV index in September
Alstermo, 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
Alstermo, Sweden
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Alstermo, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, November and December (8km).
Alstermo, Sweden
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