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
Start of September brings a shift in the average high-temperature, falling from August's moderately hot 26.5°C (79.7°F) to a pleasant 20.8°C (69.4°F). September nights see a notable contrast from daytime highs, with the nighttime temperature averaging at a frosty 8.3°C (46.9°F).Humidity
The average relative humidity in September is 74%.Rainfall
September and October are months with the least rain when the rain falls for 12.7 days and typically aggregates up to 38mm (1.5") of rain.Snowfall
In Brnj, snow does not fall in May through September.Daylight
In Brnj, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 06:11 and sunset at 19:23. On the last day of the month, sunrise is at 06:44 and sunset at 18:30 CEST.
Sunshine
In Brnj, the average sunshine in September is 9.2h.UV index
In Brnj, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Brnj in September?
What is the average humidity in September in Brnj?
What is the driest month in Brnj?
How many days does it rain in September in Brnj?
When it does not snow in Brnj?
Does it snow in Brnj in September?
How many hours of daylight does Brnj have in September?
When is the sunrise / sunset in September in Brnj?
How long on average sun shines in September in Brnj?
What is the UV index intensity in September in Brnj?
Average temperature in September
Brnj, Bosnia and Herzegovina
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Brnj, Bosnia and Herzegovina
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.7mbar).
Average wind speed in September
Brnj, Bosnia and Herzegovina
- Average wind speed in September: 6.1km/h
The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in September
Brnj, Bosnia and Herzegovina
- Average humidity in September: 74%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Brnj, Bosnia and Herzegovina
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is May (81mm).
The driest months (with the least rainfall) are September and October (38mm).
Average rainfall days in September
Brnj, Bosnia and Herzegovina
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is August (10.8 days).
Average snowfall in September
Brnj, Bosnia and Herzegovina
- Average snowfall in September: 0mm
The month with the highest snowfall is January (247mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Brnj, Bosnia and Herzegovina
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 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
Brnj, Bosnia and Herzegovina
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Brnj, Bosnia and Herzegovina
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is August (17.6 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in September
Brnj, Bosnia and Herzegovina
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Brnj, Bosnia and Herzegovina
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in September
Brnj, Bosnia and Herzegovina
- Average visibility in September: 9km
The months with the highest visibility are April, July, August and September (9km).
The months with the lowest visibility are January and February (7km).
