September weather forecastGatchina, Russia
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Gatchina, Russia, with an average temperature fluctuating between 8.1°C (46.6°F) and 15.2°C (59.4°F).Temperature
The onset of September coincides with a reduction in the average high-temperature, falling from a pleasant 20.8°C (69.4°F) in August to a moderate 15.2°C (59.4°F). Gatchina sees an average low-temperature of 8.1°C (46.6°F) during September.Humidity
In September, the average relative humidity in Gatchina is 83%.Rainfall
In Gatchina, during September, the rain falls for 14.7 days and regularly aggregates up to 33mm (1.3") of precipitation. In Gatchina, during the entire year, the rain falls for 135.7 days and collects up to 443mm (17.44") of precipitation.Snowfall
In Gatchina, snow does not fall in June through September.Daylight
In Gatchina, Russia, the average length of the day in September is 12h and 51min.On the first day of September, sunrise is at 05:56 and sunset at 20:01. On the last day of the month, sunrise is at 07:03 and sunset at 18:35 MSK.
Sunshine
In September, the average sunshine is 6.1h.UV index
The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gatchina, Russia
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (-4.9°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-9°C).
Average pressure in September
Gatchina, Russia
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1010.4mbar).
Average wind speed in September
Gatchina, Russia
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in September
Gatchina, Russia
- Average humidity in September: 83%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (70%).
Average rainfall in September
Gatchina, Russia
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is March (28mm).
Average rainfall days in September
Gatchina, Russia
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Gatchina, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (190mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gatchina, Russia
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Gatchina, Russia
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 6h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Gatchina, Russia
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is May (15.8 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in September
Gatchina, Russia
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Gatchina, Russia
- Average cloud cover in September: 56
The month with the most cloud cover is December (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Gatchina, Russia
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The month with the lowest visibility is February (5km).
