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
During the transition into September, Sladna observes a decrease in the average high-temperature, falling from a moderately hot 28.5°C (83.3°F) in August to a pleasant 22.9°C (73.2°F). In Sladna, September is marked by an average low-temperature of 10.9°C (51.6°F).Humidity
In Sladna, the average relative humidity in September is 69%.Rainfall
September is the month with the least rainfall. Rain falls for 10 days and accumulates 28mm (1.1") of precipitation.Snowfall
In Sladna, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 06:09 and sunset at 19:23. On the last day of September, in Sladna, Bosnia and Herzegovina, sunrise is at 06:43 and sunset at 18:28 CEST.
Sunshine
In Sladna, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index in Sladna, Bosnia and Herzegovina, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the average September temperature in Sladna?
What is the average humidity in September in Sladna?
What is the driest month in Sladna?
How much does it rain in Sladna in September?
When it does not snow in Sladna?
Does it snow in Sladna in September?
What is the average length of the day in September in Sladna?
When are sunrise and sunset in September in Sladna?
How long on average sun shines in September in Sladna?
What is the UV index reading in September in Sladna?
Average temperature in September
Sladna, Bosnia and Herzegovina
- Average high temperature in September: 22.9°C
The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 10.9°C
The months with the highest average low temperature are July and August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in September
Sladna, Bosnia and Herzegovina
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is May (1014.6mbar).
Average wind speed in September
Sladna, Bosnia and Herzegovina
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Sladna, Bosnia and Herzegovina
- Average humidity in September: 69%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Sladna, Bosnia and Herzegovina
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (87mm).
The driest month (with the least rainfall) is September (28mm).
Average rainfall days in September
Sladna, Bosnia and Herzegovina
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Sladna, Bosnia and Herzegovina
- Average snowfall in September: 0mm
The month with the highest snowfall is January (179mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Sladna, Bosnia and Herzegovina
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 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
Sladna, Bosnia and Herzegovina
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Sladna, Bosnia and Herzegovina
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in September
Sladna, Bosnia and Herzegovina
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Sladna, Bosnia and Herzegovina
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Sladna, Bosnia and Herzegovina
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is January (7km).
Sladna, Bosnia and Herzegovina
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