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
The arrival of September indicates a decrease in the average high-temperature, moving from 29.2°C (84.6°F) in August to a still warm 23.2°C (73.8°F). Derventa's nights in September cool down to an average low-temperature of 11.7°C (53.1°F).Humidity
The average relative humidity in September is 68%.Rainfall
In Derventa, Bosnia and Herzegovina, in September, it is raining for 9.4 days, with typically 25mm (0.98") of accumulated precipitation. Throughout the year, there are 129.1 rainfall days, and 382mm (15.04") of precipitation is accumulated.Snowfall
In Derventa, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 06:11 and sunset at 19:25. On the last day of September, sunrise is at 06:45 and sunset at 18:30 CEST.
Sunshine
The average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Prioritize safety - Recommendations to avert sunburn are shared. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Derventa?
What is the average humidity in September in Derventa?
How many days does it rain in September in Derventa?
When it does not snow in Derventa?
How many hours of daylight does Derventa have in September?
When are sunrise and sunset in September in Derventa?
How long on average sun shines in September in Derventa?
How high is the UV index in September in Derventa?
Average temperature in September
Derventa, Bosnia and Herzegovina
- Average high temperature in September: 23.2°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).
Average pressure in September
Derventa, Bosnia and Herzegovina
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The months with the lowest atmospheric pressure are May, June and July (1014.6mbar).
Average wind speed in September
Derventa, Bosnia and Herzegovina
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is March (9.5km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Derventa, Bosnia and Herzegovina
- Average humidity in September: 68%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in September
Derventa, Bosnia and Herzegovina
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is November (16mm).
Average rainfall days in September
Derventa, Bosnia and Herzegovina
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (6.6 days).
Average snowfall in September
Derventa, Bosnia and Herzegovina
- Average snowfall in September: 0mm
The month with the highest snowfall is January (60mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Derventa, Bosnia and Herzegovina
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Derventa, Bosnia and Herzegovina
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Derventa, Bosnia and Herzegovina
- Average sunshine days in September: 18.5 days
The months with the most sunshine days are October and November (21.5 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Derventa, 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, November and December (UV index 2).
Average cloud cover in September
Derventa, Bosnia and Herzegovina
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Derventa, Bosnia and Herzegovina
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January and February (8km).
Derventa, Bosnia and Herzegovina
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