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 initiation of September sees an average high-temperature of a still enjoyable 16°C (60.8°F), showing minor variations from the previous month. Frillesås's nighttime temperature in September shows a minor descent, with a steady average of 12.9°C (55.2°F).Humidity
In Frillesås, the average relative humidity in September is 78%.Rainfall
In Frillesås, during September, the rain falls for 17.2 days and regularly aggregates up to 57mm (2.24") of precipitation. Throughout the year, in Frillesås, there are 185.4 rainfall days, and 594mm (23.39") of precipitation is accumulated.Snowfall
In Frillesås, snow does not fall in May through October.Sea temperature
In Frillesås, Sweden, in September, the average water temperature is 16.3°C (61.3°F).Note: Swimming in 16.3°C (61.3°F) is not a pleasurable activity for the majority of people. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day in Frillesås is 12h and 47min.On the first day of the month, sunrise is at 06:14 and sunset at 20:08. On the last day of September, sunrise is at 07:14 and sunset at 18:48 CEST.
Sunshine
The average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Heed the precautions - It is counselled to guard against solar damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are September temperatures in Frillesås?
What is the average humidity in September in Frillesås?
How many days does it rain in September in Frillesås?
When it does not snow in Frillesås?
What is the sea temperature in September in Frillesås?
How many hours of daylight does Frillesås have in September?
What time are sunrise and sunset in September in Frillesås?
How long on average sun shines in September in Frillesås?
How high is the UV index in September in Frillesås?
Average temperature in September
Frillesås, Sweden
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (1.9°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in September
Frillesås, Sweden
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is April (1014.9mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).
Average wind speed in September
Frillesås, Sweden
- Average wind speed in September: 22.6km/h
The windiest month (with the highest average wind speed) is December (27.6km/h).
The calmest month (with the lowest average wind speed) is June (19km/h).
Average humidity in September
Frillesås, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Frillesås, Sweden
- Average rainfall in September: 57mm
The wettest month (with the highest rainfall) is August (81mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Frillesås, Sweden
- Average rainfall days in September: 17.2 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Frillesås, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is February (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Frillesås, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Frillesås, Sweden
- Average sea temperature in September: 16.3°C
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest months (with the lowest average sea temperature) are January and February (2.2°C).
Average daylight in September /
Average sunshine in September
Frillesås, Sweden
- Average daylight in September: 12h and 5min
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 48min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in September
Frillesås, Sweden
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is April (15.3 days).
The month with the least sunshine days is August (8.3 days).
Average UV index in September
Frillesås, Sweden
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Frillesås, Sweden
- Average cloud cover in September: 46
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is June (Cloud cover 37).
Average visibility in September
Frillesås, 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).
Frillesås, Sweden
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