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
In September, the average high-temperature goes from a warm 26.8°C (80.2°F) in August to a pleasant 21°C (69.8°F). Opoj's temperature in September lowers to a consistent average of 11.5°C (52.7°F) during the nights.Humidity
In September, the average relative humidity is 69%.Rainfall
In Opoj, Slovakia, during September, the rain falls for 10.6 days and regularly aggregates up to 33mm (1.3") of precipitation. In Opoj, during the entire year, the rain falls for 142.3 days and collects up to 415mm (16.34") of precipitation.Snowfall
April through September are months without snowfall.Daylight
In Opoj, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:07 and sunset at 19:30. On the last day of September, sunrise is at 06:48 and sunset at 18:30 CEST.
Sunshine
In Opoj, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Opoj in September?
What is the average humidity in September in Opoj?
How many days does it rain in September in Opoj?
When it does not snow in Opoj?
Does it snow in Opoj in September?
What is the average length of the day in September in Opoj?
When are sunrise and sunset in September in Opoj?
How many hours of sunshine does Opoj have in September?
What is the UV index reading in September in Opoj?
Average temperature in September
Opoj, Slovakia
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is August (26.8°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 11.5°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 (-3.5°C).
Average pressure in September
Opoj, Slovakia
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is June (1014.7mbar).
Average wind speed in September
Opoj, Slovakia
- Average wind speed in September: 10.5km/h
The windiest months (with the highest average wind speed) are February and March (13.5km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Opoj, Slovakia
- Average humidity in September: 69%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Opoj, Slovakia
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is May (56mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Opoj, Slovakia
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Opoj, Slovakia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Opoj, Slovakia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 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
Opoj, Slovakia
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Opoj, Slovakia
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in September
Opoj, Slovakia
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Opoj, Slovakia
- Average cloud cover in September: 33
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in September
Opoj, Slovakia
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February and December (8km).
