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
As September begins, there is a decrease in the average high-temperature, falling from a moderately hot 26.3°C (79.3°F) in August to an agreeable 20.8°C (69.4°F). The temperature lowers to an average of 9.2°C (48.6°F) during September nights.Humidity
The average relative humidity in September in Rijeća is 73%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 39mm (1.54") of precipitation is accumulated. In Rijeća, during the entire year, the rain falls for 156.3 days and collects up to 733mm (28.86") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Rijeća, Bosnia and Herzegovina, the average length of the day in September is 12h and 31min.On the first day of September, sunrise is at 06:09 and sunset at 19:21. On the last day of the month, sunrise is at 06:42 and sunset at 18:28 CEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September in Rijeća is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
What is the average September temperature in Rijeća?
What is the average humidity in September in Rijeća?
How many days does it rain in September in Rijeća?
When it does not snow in Rijeća?
Does it snow in Rijeća in September?
What is the average length of the day in September in Rijeća?
When is the sunrise / sunset in September in Rijeća?
How many hours of sunshine does Rijeća have in September?
What is the UV index reading in September in Rijeća?
Average temperature in September
Rijeća, Bosnia and Herzegovina
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Rijeća, Bosnia and Herzegovina
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is May (1014.7mbar).
Average wind speed in September
Rijeća, Bosnia and Herzegovina
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is March (8.2km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Rijeća, Bosnia and Herzegovina
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Rijeća, Bosnia and Herzegovina
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is May (109mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in September
Rijeća, Bosnia and Herzegovina
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (21 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Rijeća, Bosnia and Herzegovina
- Average snowfall in September: 0mm
The month with the highest snowfall is January (323mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rijeća, Bosnia and Herzegovina
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rijeća, 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: 9h and 0min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Rijeća, Bosnia and Herzegovina
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (8.1 days).
Average UV index in September
Rijeća, Bosnia and Herzegovina
- Average UV index in September: 4
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
Rijeća, Bosnia and Herzegovina
- Average cloud cover in September: 33
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Rijeća, 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, February and December (7km).
Rijeća, Bosnia and Herzegovina
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