September weather forecastNarva, Estonia
September
Weather in September
In September, Narva begins its transition from summer to autumn. The average temperature ranges fall to a cooler 9.5°C (49.1°F) to 15.6°C (60.1°F). This adds a fresh crispness to the air as the wind speed starts to rise. Autumnal hues decorate the city, and the decrease in daylight hours embody the shift in seasons. September days remain relatively sunshine-filled, providing a lovely backdrop for outdoor excursions.Temperature
Observing a mild shift, the average high-temperature during September reduces from August's agreeable 20.6°C (69.1°F) to a moderate 15.6°C (60.1°F). An average low-temperature of 9.5°C (49.1°F) is expected in Narva during September.Humidity
The average relative humidity in September in Narva is 80%.Rainfall
In Narva, in September, it is raining for 17.7 days, with typically 46mm (1.81") of accumulated precipitation. Throughout the year, there are 170.1 rainfall days, and 543mm (21.38") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Narva.Daylight
In September, the average length of the day in Narva is 12h and 51min.On the first day of September in Narva, Estonia, sunrise is at 06:05 and sunset at 20:09. On the last day of the month, sunrise is at 07:11 and sunset at 18:43 EEST.
Sunshine
The average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index in Narva is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Narva, Estonia
- Average high temperature in September: 15.6°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-3.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).
Average pressure in September
Narva, Estonia
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1010.1mbar).
Average wind speed in September
Narva, Estonia
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest months (with the lowest average wind speed) are May and July (11.5km/h).
Average humidity in September
Narva, Estonia
- Average humidity in September: 80%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Narva, Estonia
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is August (66mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Narva, Estonia
- Average rainfall days in September: 17.7 days
The month with the highest number of rainy days is July (19.1 days).
The month with the least rainy days is February (6.1 days).
Average snowfall in September
Narva, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (219mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Narva, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Narva, Estonia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Narva, Estonia
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is May (14.8 days).
The month with the least sunshine days is December (3.6 days).
Average UV index in September
Narva, Estonia
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Narva, Estonia
- Average cloud cover in September: 52
The month with the most cloud cover is December (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
Narva, Estonia
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (7km).
