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
The transition into September indicates a reduction in the average high-temperature, down to a refreshing 19.3°C (66.7°F) from August's moderately hot 25.2°C (77.4°F). Nighttime temperatures in Harje consistently average a chilly 9.4°C (48.9°F) during September.Humidity
The average relative humidity in September is 82%.Rainfall
In Harje, in September, it is raining for 15.1 days, with typically 77mm (3.03") of accumulated precipitation. In Harje, during the entire year, the rain falls for 179.3 days and collects up to 854mm (33.62") of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Harje, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:20 and sunset at 19:37. On the last day of September, sunrise is at 06:56 and sunset at 18:40 CEST.
Sunshine
In Harje, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September in Harje is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Harje?
What is the average humidity in September in Harje?
How many days does it rain in September in Harje?
When it does not snow in Harje?
Does it snow in Harje in September?
What is the average length of the day in September in Harje?
When are sunrise and sunset in September in Harje?
How long on average sun shines in September in Harje?
How high is the UV index in September in Harje?
Average temperature in September
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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
Harje, 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).
