September weather forecastSlavče, Czech Republic
September
Weather in September
September, the first month of the autumn in Slavče, is still a refreshing month, with an average temperature fluctuating between 8.5°C (47.3°F) and 18.3°C (64.9°F).Temperature
Slavče, Czech Republic, experiences a temperature shift at the start of September, with average high-temperatures adjusting from a warm 23.5°C (74.3°F) in August to a refreshing 18.3°C (64.9°F). During the month of September, Slavče experiences a steady low-temperature average of 8.5°C (47.3°F).Humidity
In September, the average relative humidity in Slavče is 78%.Rainfall
In Slavče, Czech Republic, during September, the rain falls for 12.8 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Slavče, there are 156 rainfall days, and 480mm (18.9") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Slavče is 12h and 35min.On the first day of the month, sunrise is at 06:19 and sunset at 19:43. On the last day of September, in Slavče, sunrise is at 07:00 and sunset at 18:42 CEST.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slavče, Czech Republic
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure in September
Slavče, Czech Republic
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The months with the lowest atmospheric pressure are April and May (1015.6mbar).
Average wind speed in September
Slavče, Czech Republic
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in September
Slavče, Czech Republic
- Average humidity in September: 78%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Slavče, Czech Republic
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (75mm).
The driest month (with the least rainfall) is November (18mm).
Average rainfall days in September
Slavče, Czech Republic
- Average rainfall days in September: 12.8 days
The months with the highest number of rainy days are May and July (19.6 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Slavče, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (130mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Slavče, Czech Republic
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Slavče, Czech Republic
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 9h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Slavče, Czech Republic
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Slavče, Czech Republic
- 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, October, November and December (UV index 2).
Average cloud cover in September
Slavče, Czech Republic
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Slavče, Czech Republic
- 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).





