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
With the arrival of September, Petergof experiences a modest decline in average high-temperatures, transitioning from an enjoyable 19.4°C (66.9°F) in August to a moderate 14.6°C (58.3°F). Petergof maintains a consistent average nighttime low-temperature of 9.9°C (49.8°F) throughout September.Humidity
In September, the average relative humidity is 81%.Rainfall
In September, the rain falls for 14.1 days. Throughout September, 32mm (1.26") of precipitation is accumulated. In Petergof, during the entire year, the rain falls for 127.5 days and collects up to 406mm (15.98") of precipitation.Snowfall
In Petergof, Russia, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 05:57 and sunset at 20:03. On the last day of September, sunrise is at 07:04 and sunset at 18:35 MSK.
Sunshine
In September, the average sunshine is 6.3h.UV index
In Petergof, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: In September, the UV index of 3 transforms into the following advice:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Petergof in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Petergof, Russia
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is July (14°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in September
Petergof, Russia
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1010mbar).
Average wind speed in September
Petergof, Russia
- Average wind speed in September: 14.3km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest months (with the lowest average wind speed) are May and July (12.3km/h).
Average humidity in September
Petergof, Russia
- Average humidity in September: 81%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Petergof, Russia
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is August (56mm).
The driest month (with the least rainfall) is November (21mm).
Average rainfall days in September
Petergof, Russia
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Petergof, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (151mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Petergof, Russia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Petergof, Russia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Petergof, Russia
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (18.7 days).
The month with the least sunshine days is February (10.6 days).
Average UV index in September
Petergof, Russia
- Average UV index in September: 3
The month with the highest UV index is 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
Petergof, Russia
- 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 38).
Average visibility in September
Petergof, Russia
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (6km).
