Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Šlapanice?
What is the average humidity in September in Šlapanice?
How many days does it rain in September in Šlapanice?
When it does not snow in Šlapanice?
Does it snow in Šlapanice in September?
How many hours of daylight does Šlapanice have in September?
When are sunrise and sunset in September in Šlapanice?
How many hours of sunshine does Šlapanice have in September?
How high is the UV index in September in Šlapanice?
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).
