September weather forecastPraha, Slovakia

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Praha, Slovakia, with temperature in the range of an average high of 19.3°C (66.7°F) and an average low of 8.8°C (47.8°F).

Temperature

Praha's weather changes with the onset of September, slightly falling from a warm 24.7°C (76.5°F) in August to an enjoyable 19.3°C (66.7°F). Praha, during the nights of September, experiences an average temperature drop to a frosty 8.8°C (47.8°F).

Humidity

In Praha, the average relative humidity in September is 74%.

Rainfall

In September, in Praha, the rain falls for 11.7 days. Throughout September, 41mm (1.61") of precipitation is accumulated. Throughout the year, in Praha, Slovakia, there are 149.3 rainfall days, and 549mm (21.61") of precipitation is accumulated.

Snowfall

In Praha, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of the month, sunrise is at 06:00 and sunset at 19:23. On the last day of September, in Praha, Slovakia, sunrise is at 06:40 and sunset at 18:23 CEST.

Sunshine

In Praha, Slovakia, the average sunshine in September is 9h.

UV index

In Praha, Slovakia, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 3 in September translates into these instructions:
Be vigilant - A duty to shield skin and eyes from injury exists. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

In Praha, in September, the average high-temperature is 19.3°C (66.7°F), and the average low-temperature is 8.8°C (47.8°F).

In Praha, the average relative humidity in September is 74%.

In September, in Praha, Slovakia, the rain falls for 11.7 days. Throughout September, 41mm (1.61") of precipitation is accumulated.

In Praha, Slovakia, snow does not fall in May through September.

In Praha, Slovakia, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length is 12h and 35min.

In September, on the first day of the month, sunrise is at 06:00 and sunset at 19:23. On the last day of the month, sunrise is at 06:40 and sunset at 18:23 CEST.

In September, the average sunshine duration is 9h.

The average daily maximum UV index in September in Praha is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Praha, Slovakia

  • Average high temperature in September: 19.3°C

The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in September: 8.8°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).

Average pressure in September
Praha, Slovakia

  • Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is June (1014.2mbar).

Average wind speed in September
Praha, Slovakia

  • Average wind speed in September: 7.5km/h

The windiest months (with the highest average wind speed) are March and May (8.6km/h).
The calmest month (with the lowest average wind speed) is November (6.9km/h).

Average humidity in September
Praha, Slovakia

  • Average humidity in September: 74%

The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Praha, Slovakia

  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is June (82mm).
The driest month (with the least rainfall) is October (31mm).

Average rainfall days in September
Praha, Slovakia

  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in September
Praha, Slovakia

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (160mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Praha, Slovakia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.4 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
Praha, Slovakia

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

Average sunshine days in September
Praha, Slovakia

  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is June (9.8 days).

Average UV index in September
Praha, Slovakia

  • Average UV index in September: 3

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 November (UV index 1).

Average cloud cover in September
Praha, Slovakia

  • Average cloud cover in September: 34

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in September
Praha, Slovakia

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August and September (9km).
The months with the lowest visibility are January and December (6km).