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
In September, the average high-temperature decreases from a warm 25.2°C (77.4°F) in August to a comfortable 19.3°C (66.7°F). The average temperature during September nights is registered at a chilly 9.4°C (48.9°F).Humidity
In Grobelno, the average relative humidity in September is 82%.Rainfall
In Grobelno, in September, it is raining for 15.1 days, with typically 77mm (3.03") of accumulated precipitation. In Grobelno, during the entire year, the rain falls for 179.3 days and collects up to 854mm (33.62") of precipitation.Snowfall
In Grobelno, Slovenia, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:19 and sunset at 19:36. On the last day of September, in Grobelno, sunrise is at 06:56 and sunset at 18:40 CEST.
Sunshine
In September, the average sunshine in Grobelno is 8.9h.UV index
In Grobelno, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Grobelno?
What is the average humidity in September in Grobelno?
How much does it rain in Grobelno in September?
When it does not snow in Grobelno?
Does it snow in Grobelno in September?
What is the average length of the day in September in Grobelno?
When is the sunrise / sunset in September in Grobelno?
How many hours of sunshine does Grobelno have in September?
What is the UV index intensity in September in Grobelno?
Average temperature in September
Grobelno, Slovenia
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Grobelno, Slovenia
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May and June (1015mbar).
Average wind speed in September
Grobelno, Slovenia
- Average wind speed in September: 5.8km/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 (5.5km/h).
Average humidity in September
Grobelno, Slovenia
- Average humidity in September: 82%
The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Grobelno, Slovenia
- Average rainfall in September: 77mm
The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in September
Grobelno, Slovenia
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Grobelno, Slovenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (185mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grobelno, Slovenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 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
Grobelno, Slovenia
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in September
Grobelno, Slovenia
- Average sunshine days in September: 12.4 days
The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is May (5.9 days).
Average UV index in September
Grobelno, Slovenia
- 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 and November (UV index 1).
Average cloud cover in September
Grobelno, Slovenia
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Grobelno, Slovenia
- Average visibility in September: 8km
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October and November (7km).
Grobelno, Slovenia
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