September weather forecastMartebo, Sweden
September
Weather in September
The first month of the autumn, September, is also a moderate month in Martebo, Sweden, with an average temperature varying between 12.9°C (55.2°F) and 15.6°C (60.1°F).Temperature
September signifies a gentle decline in Martebo's average high-temperature, easing from a comfortable 19.4°C (66.9°F) in August to a mild 15.6°C (60.1°F). Martebo's average nighttime temperature in September modestly descends to a cool 12.9°C (55.2°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Martebo, in September, during 13.5 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Martebo, during the entire year, the rain falls for 138.9 days and collects up to 352mm (13.86") of precipitation.Snowfall
In Martebo, snow does not fall in June through September.Daylight
In Martebo, the average length of the day in September is 12h and 47min.On the first day of September in Martebo, sunrise is at 05:47 and sunset at 19:44. On the last day of the month, sunrise is at 06:49 and sunset at 18:22 CEST.
Sunshine
In Martebo, Sweden, the average sunshine in September is 8.4h.UV index
In Martebo, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Martebo, Sweden
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (-0.7°C).
Average pressure in September
Martebo, Sweden
- Average pressure in September: 1014.3mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in September
Martebo, Sweden
- Average wind speed in September: 20.7km/h
The windiest month (with the highest average wind speed) is December (25.2km/h).
The calmest month (with the lowest average wind speed) is May (16.6km/h).
Average humidity in September
Martebo, Sweden
- Average humidity in September: 78%
The month with the highest relative humidity is November (84%).
The months with the lowest relative humidity are May and June (75%).
Average rainfall in September
Martebo, Sweden
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Martebo, Sweden
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is October (14.4 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Martebo, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (63mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Martebo, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Martebo, Sweden
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Martebo, Sweden
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is May (18.2 days).
The month with the least sunshine days is December (9.1 days).
Average UV index in September
Martebo, Sweden
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Martebo, Sweden
- Average cloud cover in September: 40
The months with the most cloud cover are January and December (Cloud cover 70).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in September
Martebo, 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).
