September weather forecastBlatno, Slovenia
September
Weather in September
September, the first month of the autumn in Blatno, is still a pleasant month, with an average temperature varying between 11°C (51.8°F) and 21.4°C (70.5°F).Temperature
September involves a decrease in temperature, down from a warm 27.7°C (81.9°F) in August to a pleasant 21.4°C (70.5°F). In September, Blatno's temperature tends to fall to an average low of 11°C (51.8°F) during the night.Humidity
The average relative humidity in September is 76%.Rainfall
In September, the rain falls for 12 days. Throughout September, 54mm (2.13") of precipitation is accumulated. Throughout the year, in Blatno, Slovenia, there are 141.8 rainfall days, and 503mm (19.8") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Blatno.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 06:18 and sunset at 19:35. On the last day of September, sunrise is at 06:55 and sunset at 18:39 CEST.
Sunshine
The average sunshine in September in Blatno is 8.9h.UV index
In September, the average daily maximum UV index in Blatno is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blatno, Slovenia
- Average high temperature in September: 21.4°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is July (15°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in September
Blatno, Slovenia
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.8mbar).
Average wind speed in September
Blatno, Slovenia
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is March (10km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Blatno, Slovenia
- Average humidity in September: 76%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Blatno, Slovenia
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is May (67mm).
The driest months (with the least rainfall) are January and March (26mm).
Average rainfall days in September
Blatno, Slovenia
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Blatno, Slovenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (76mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Blatno, Slovenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Blatno, Slovenia
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 54min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Blatno, Slovenia
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Blatno, Slovenia
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Blatno, Slovenia
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Blatno, Slovenia
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February and November (8km).
