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
Weather in September
Temperature
September weather is marked by a drop in the average high-temperature, falling from a warm 24°C (75.2°F) in August to a comfortable 18.7°C (65.7°F). During September, Třtěnice experiences a consistent low-temperature average of 9.8°C (49.6°F).Humidity
In Třtěnice, the average relative humidity in September is 76%.Rainfall
In Třtěnice, in September, during 9.4 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, in Třtěnice, Czech Republic, there are 118.4 rainfall days, and 200mm (7.87") of precipitation is accumulated.Snowfall
In Třtěnice, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 06:13 and sunset at 19:42. On the last day of September, in Třtěnice, sunrise is at 06:57 and sunset at 18:38 CEST.
Sunshine
The average sunshine in September is 9.2h.UV index
In Třtěnice, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the average September temperature in Třtěnice?
What is the average humidity in September in Třtěnice?
How much does it rain in Třtěnice in September?
When it does not snow in Třtěnice?
Does it snow in Třtěnice in September?
What is the average length of the day in September in Třtěnice?
When are sunrise and sunset in September in Třtěnice?
How many hours of sunshine does Třtěnice have in September?
What is the UV index reading in September in Třtěnice?
Average temperature in September
Třtěnice, Czech Republic
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Třtěnice, Czech Republic
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1015mbar).
Average wind speed in September
Třtěnice, Czech Republic
- Average wind speed in September: 9.6km/h
The windiest months (with the highest average wind speed) are February, March and December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Třtěnice, Czech Republic
- Average humidity in September: 76%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Třtěnice, Czech Republic
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is May (31mm).
The driest months (with the least rainfall) are March, October and November (11mm).
Average rainfall days in September
Třtěnice, Czech Republic
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (7 days).
Average snowfall in September
Třtěnice, Czech Republic
- Average snowfall in September: 0mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Třtěnice, 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
Třtěnice, Czech Republic
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Třtěnice, Czech Republic
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Třtěnice, Czech Republic
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Třtěnice, Czech Republic
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Třtěnice, Czech Republic
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
Třtěnice, Czech Republic
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