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 sea temperature 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
The transition to September results in a modest reduction in average high-temperature, moving from a comfortable 19°C (66.2°F) in August to a still refreshing 15.3°C (59.5°F). A slight dip in temperature to a fresh 11.2°C (52.2°F) marks the average nights during September.Humidity
In Saltsjöbaden, the average relative humidity in September is 80%.Rainfall
In Saltsjöbaden, during September, the rain falls for 8.6 days and regularly aggregates up to 11mm (0.43") of precipitation. Throughout the year, in Saltsjöbaden, there are 88.9 rainfall days, and 116mm (4.57") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Sea temperature
In Saltsjöbaden, Sweden, in September, the average water temperature is 14.9°C (58.8°F).Note: Danger awaits those who swim in 14.9°C (58.8°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
In September, the average length of the day is 12h and 50min.On the first day of the month, sunrise is at 05:44 and sunset at 19:48. On the last day of September, sunrise is at 06:50 and sunset at 18:22 CEST.
Sunshine
In Saltsjöbaden, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are the temperatures in Saltsjöbaden in September?
What is the average humidity in September in Saltsjöbaden?
How many days does it rain in September in Saltsjöbaden?
When it does not snow in Saltsjöbaden?
Does it snow in Saltsjöbaden in September?
How cold is the water in September in Saltsjöbaden?
How many hours of daylight does Saltsjöbaden have in September?
When is the sunrise / sunset in September in Saltsjöbaden?
How long on average sun shines in September in Saltsjöbaden?
How high is the UV index in September in Saltsjöbaden?
Average temperature in September
Saltsjöbaden, Sweden
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (14.4°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).
Average pressure in September
Saltsjöbaden, Sweden
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in September
Saltsjöbaden, Sweden
- Average wind speed in September: 18.1km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in September
Saltsjöbaden, Sweden
- Average humidity in September: 80%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Saltsjöbaden, Sweden
- Average rainfall in September: 11mm
The wettest months (with the highest rainfall) are July and August (14mm).
The driest month (with the least rainfall) is April (4mm).
Average rainfall days in September
Saltsjöbaden, Sweden
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is August (10.9 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Saltsjöbaden, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Saltsjöbaden, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Saltsjöbaden, Sweden
- Average sea temperature in September: 14.9°C
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in September /
Average sunshine in September
Saltsjöbaden, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Saltsjöbaden, Sweden
- Average sunshine days in September: 17.7 days
The months with the most sunshine days are April and May (21.8 days).
The month with the least sunshine days is December (14.4 days).
Average UV index in September
Saltsjöbaden, Sweden
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Saltsjöbaden, Sweden
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Saltsjöbaden, 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).
Saltsjöbaden, Sweden
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