St Petersburg - Russia weather in September
Day
15 °C
Night
8 °C
Precipitation
66 mm
in month
Rainy days
14 days
in month
Daylight
13 hours
average
Sunshine
4 hours
average
Humidity
81 %
Weather charts for St Petersburg - Russia
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Weather overview and FAQs
Weather overview
In St Petersburg in September, the average air temperature ranges from 15.2 °C (59.4 °F) during the day to 8.3 °C (46.9 °F) at night. There are 14 days of rain on average, where the rainfall is 66 mm (2.59 in).
What is the temperature in St Petersburg during the day in September?
In St Petersburg in September, the average daily temperatures will be 15.2 °C (59.4 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.
How many days of precipitation on average can I expect in St Petersburg in September?
In September in St Petersburg, we can expect 14 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 3.3 days of the week, or in general - 47 % days.
How heavy is the precipitation in St Petersburg in September?
There is precipitation of 66 mm (2.59 in) in St Petersburg in September, which means 2 mm (0.09 in) rainfall per day on average.
Is September part of the dry season in St Petersburg?
No, September is not a dry month in St Petersburg, expect rain approximately 14 days in a month.
What is the air temperature in St Petersburg in September at night?
The average night temperature in St Petersburg in September is 8.3 °C (46.9 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating. In absolute terms, the decrease compared to the last month is 4.5 °C (40.1 °F).
Is there a wet season in St Petersburg in September?
No, there is no wet season in St Petersburg in September - you can expect 14 days of rain during the month.
How many hours of sun to expect in September in St Petersburg?
In St Petersburg in September, you can expect around 4 hours of sunshine.
Is St Petersburg rainier in September than in August?
No, in St Petersburg in September it does not rain more than in August.
How long is the day (from dawn till dusk) in St Petersburg in September?
The length of daylight in St Petersburg in September is 13 hours.
Is the weather in St Petersburg warmer in September than in August?
No, September is not warmer in St Petersburg than August.
Is the temperature rising or falling in the course of time in September in St Petersburg?
During September in St Petersburg, the day temperatures are decreasing - from 18.2 °C (64.7 °F) at the beginning of the month to 12.0 °C (53.5 °F) at the end of the month.
What is the humidity in St Petersburg in September?
Humidity in St Petersburg in September is 81 %.
How windy is St Petersburg in September?
An average wind scale that can be expected in St Petersburg in September is 3.8.
