September weather forecast
Šlapanice, Czech Republic

September

Weather in September

September, the first month of the autumn in Šlapanice, is still a pleasant month, with an average temperature fluctuating between 20.2°C (68.4°F) and 10.7°C (51.3°F).

Temperature

Observing a mild shift, the average high-temperature during September reduces from August's warm 26.1°C (79°F) to an agreeable 20.2°C (68.4°F). During the month of September, the nighttime temperature falls to an average of 10.7°C (51.3°F).

Humidity

In September, the average relative humidity is 70%.

Rainfall

In September, the rain falls for 8.3 days. Throughout September, 18mm (0.71") of precipitation is accumulated. In Šlapanice, during the entire year, the rain falls for 115.7 days and collects up to 251mm (9.88") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 36min.
On the first day of the month, sunrise is at 06:10 and sunset at 19:35. On the last day of September, sunrise is at 06:52 and sunset at 18:33 CEST.

Sunshine

In Šlapanice, the average sunshine in September is 8.9h.

UV index

In Šlapanice, Czech Republic, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 transforms into these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What is the average September temperature in Šlapanice?
September temperatures vary between a high-temperature of 20.2°C (68.4°F) and a low-temperature of 10.7°C (51.3°F).
What is the average humidity in September in Šlapanice?
The average relative humidity in September is 70%.
How many days does it rain in September in Šlapanice?
In Šlapanice, during September, the rain falls for 8.3 days and regularly aggregates up to 18mm (0.71") of precipitation.
When it does not snow in Šlapanice?
May through September are months without snowfall in Šlapanice, Czech Republic.
Does it snow in Šlapanice in September?
In Šlapanice, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Šlapanice have in September?
In September, the average day length is 12h and 36min.
When are sunrise and sunset in September in Šlapanice?
On the first day of September in Šlapanice, sunrise is at 06:10 and sunset at 19:35. On the last day of the month, sunrise is at 06:52 and sunset at 18:33 CEST.
How many hours of sunshine does Šlapanice have in September?
In September, the average sunshine duration in Šlapanice is 8.9h.
How high is the UV index in September in Šlapanice?
The average daily maximum UV index in September in Šlapanice is 4. A UV Index reading of 3 to 5 represents a medium health risk 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Šlapanice, Czech Republic
  • Average high temperature in September: 20.2°C

The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (0.5°C).

  • Average low temperature in September: 10.7°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in September
Šlapanice, Czech Republic
  • Average pressure in September: 1018.1mbar

The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is June (1015mbar).

Average wind speed in September
Šlapanice, Czech Republic
  • Average wind speed in September: 10.4km/h

The windiest month (with the highest average wind speed) is March (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).

Average humidity in September
Šlapanice, Czech Republic
  • Average humidity in September: 70%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September
Šlapanice, Czech Republic
  • Average rainfall in September: 18mm

The wettest month (with the highest rainfall) is May (41mm).
The driest months (with the least rainfall) are February and April (13mm).

Average rainfall days in September
Šlapanice, Czech Republic
  • Average rainfall days in September: 8.3 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in September
Šlapanice, Czech Republic
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Šlapanice, Czech Republic
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Šlapanice, Czech Republic
  • Average daylight in September: 12h and 4min

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 18min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

Average sunshine days in September
Šlapanice, Czech Republic
  • Average sunshine days in September: 19.7 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (14.3 days).

Average UV index in September
Šlapanice, Czech Republic
  • 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
Šlapanice, Czech Republic
  • Average cloud cover in September: 36

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September
Šlapanice, Czech Republic
  • Average visibility in September: 9km

The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January and December (8km).

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