September weather forecastČejov, Czech Republic

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Čejov, Czech Republic, with temperature in the range of an average low of 9°C (48.2°F) and an average high of 17.6°C (63.7°F).

Temperature

With the onset of September, Čejov's average high-temperature adjusts, receding from August's pleasant 22.7°C (72.9°F) to an enjoyable 17.6°C (63.7°F). Throughout September, the average low-temperature dips to a chilly 9°C (48.2°F).

Humidity

In Čejov, the average relative humidity in September is 78%.

Rainfall

In Čejov, during September, the rain falls for 13.7 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 154.6 rainfall days, and 534mm (21.02") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Čejov.

Daylight

The average length of the day in September is 12h and 36min.
On the first day of September in Čejov, sunrise is at 06:14 and sunset at 19:41. On the last day of the month, sunrise is at 06:57 and sunset at 18:39 CEST.

Sunshine

The average sunshine in September is 8.4h.

UV index

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 3 in September transforms into the following instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

In Čejov, in September, the average high-temperature is 17.6°C (63.7°F), and the average low-temperature is 9°C (48.2°F).

In September, the average relative humidity is 78%.

In Čejov, during September, the rain falls for 13.7 days and regularly aggregates up to 38mm (1.5") of precipitation.

June through September are months without snowfall.

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

In September, the average day length is 12h and 36min.

On the first day of September, sunrise is at 06:14 and sunset at 19:41. On the last day of the month, sunrise is at 06:57 and sunset at 18:39 CEST.

The average sunshine duration in September is 8.4h.

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Čejov, Czech Republic

  • Average high temperature in September: 17.6°C

The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (-0.4°C).

  • Average low temperature in September: 9°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).

Average pressure in September
Čejov, Czech Republic

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The months with the lowest atmospheric pressure are June and July (1015.4mbar).

Average wind speed in September
Čejov, Czech Republic

  • Average wind speed in September: 11.6km/h

The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).

Average humidity in September
Čejov, Czech Republic

  • Average humidity in September: 78%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (74%).

Average rainfall in September
Čejov, Czech Republic

  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is July (90mm).
The driest month (with the least rainfall) is November (19mm).

Average rainfall days in September
Čejov, Czech Republic

  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in September
Čejov, Czech Republic

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (101mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Čejov, Czech Republic

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Čejov, Czech Republic

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in September
Čejov, Czech Republic

  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is June (7.3 days).

Average UV index in September
Čejov, Czech Republic

  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February and November (UV index 1).

Average cloud cover in September
Čejov, Czech Republic

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Čejov, Czech Republic

  • Average visibility in September: 9km

The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).