September weather forecastOskarshamn, Sweden
September
Weather in September
September, the first month of the autumn in Oskarshamn, is still a comfortable month, with an average temperature varying between 10.9°C (51.6°F) and 16.7°C (62.1°F).Temperature
A subtle shift in Oskarshamn's weather is observed as August turns into September, with the average high temperature reducing from an agreeable 20.8°C (69.4°F) to an enjoyable 16.7°C (62.1°F). Oskarshamn throughout September, records an average low-temperature of 10.9°C (51.6°F).Humidity
In September, the average relative humidity is 77%.Rainfall
In Oskarshamn, Sweden, in September, during 10.9 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, there are 140.2 rainfall days, and 351mm (13.82") of precipitation is accumulated.Snowfall
In Oskarshamn, snow does not fall in June through September.Sea temperature
In Oskarshamn, in September, the average water temperature is 15.8°C (60.4°F).Note: The majority of individuals find it unpleasurable to swim in 15.8°C (60.4°F). It becomes progressively harder to manage one's breathing as the water temperature falls below 21°C (69.8°F).
Daylight
In September, the average length of the day is 12h and 47min.On the first day of the month, sunrise is at 05:57 and sunset at 19:51. On the last day of September, sunrise is at 06:56 and sunset at 18:31 CEST.
Sunshine
The average sunshine in September is 8.4h.UV index
In Oskarshamn, Sweden, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Around midday, solar radiation is most harmful; hence, exposure should be limited. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oskarshamn, Sweden
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (1.2°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is July (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure in September
Oskarshamn, Sweden
- Average pressure in September: 1014.6mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).
Average wind speed in September
Oskarshamn, Sweden
- Average wind speed in September: 15.5km/h
The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest months (with the lowest average wind speed) are May and August (13.5km/h).
Average humidity in September
Oskarshamn, Sweden
- Average humidity in September: 77%
The months with the highest relative humidity are January, February, November and December (86%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Oskarshamn, Sweden
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Oskarshamn, Sweden
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Oskarshamn, 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
Oskarshamn, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Oskarshamn, Sweden
- Average sea temperature in September: 15.8°C
The best month for swimming (with the highest average sea temperature) is August (18.6°C).
The coldest month (with the lowest average sea temperature) is March (1.8°C).
Average daylight in September /
Average sunshine in September
Oskarshamn, Sweden
- Average daylight in September: 12h and 48min
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 48min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Oskarshamn, Sweden
- Average sunshine days in September: 16 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in September
Oskarshamn, 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
Oskarshamn, Sweden
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Oskarshamn, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, June, July and August (10km).
The months with the lowest visibility are January, February, March, May, September, October, November and December (9km).
