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
A modest decline in the average high-temperature is seen during September, decreasing from an agreeable 20.8°C (69.4°F) in August to a refreshing 16.1°C (61°F). An average nighttime temperature of 8.7°C (47.7°F) is witnessed throughout September.Humidity
In Surahammar, Sweden, the average relative humidity in September is 79%.Rainfall
In Surahammar, Sweden, in September, it is raining for 12.6 days, with typically 30mm (1.18") of accumulated precipitation. In Surahammar, during the entire year, the rain falls for 144.2 days and collects up to 404mm (15.91") of precipitation.Snowfall
In Surahammar, snow does not fall in June through September.Daylight
In Surahammar, the average length of the day in September is 12h and 51min.On the first day of September in Surahammar, sunrise is at 05:52 and sunset at 19:57. On the last day of the month, sunrise is at 06:59 and sunset at 18:30 CEST.
Sunshine
In Surahammar, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during September translates into the following guidance:
Undertake precautions - Obligation exists to protect against skin and eye damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the average September temperature in Surahammar?
What is the average humidity in September in Surahammar?
How many days does it rain in September in Surahammar?
When it does not snow in Surahammar?
Does it snow in Surahammar in September?
What is the average length of the day in September in Surahammar?
What time are sunrise and sunset in September in Surahammar?
How long on average sun shines in September in Surahammar?
What is the UV index intensity in September in Surahammar?
Average temperature in September
Surahammar, Sweden
- Average high temperature in September: 16.1°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-5.3°C).
Average pressure in September
Surahammar, Sweden
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in September
Surahammar, Sweden
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.2km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Surahammar, Sweden
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Surahammar, Sweden
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (47mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Surahammar, Sweden
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Surahammar, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (151mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Surahammar, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Surahammar, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Surahammar, Sweden
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Surahammar, Sweden
- Average UV index in September: 3
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
Surahammar, Sweden
- Average cloud cover in September: 47
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Surahammar, Sweden
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February and December (7km).
Surahammar, Sweden
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