Climate averages 1991–2020
Peterhof weather
in September.
A cool, moderately wet month: the 4th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a cool month in Peterhof: daytime highs average 13.9°C and nights cool to about 9.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 63 mm of rain on roughly 12 days, which makes September a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 57 min on an average September day.
The nearest other city in this atlas is Saint Petersburg (24 km away). In September its highs average 14.4°C, about as warm as Peterhof, with 55 mm of rain.
Among the 236 cities listed in Russia, Peterhof ranks joint 191st of 236 for the warmest September highs and joint 200th of 236 for the driest September (rainfall, lowest first). The mean September high of those 236 cities is 16.4°C; Peterhof is 2.4°C cooler than that mean.
From September to October, average highs fall by 6.8°C to 7.2°C, and monthly rainfall rises from 63 mm to 72 mm.
The annual picture
September in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Peterhof climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -3.4°C-7.0°C | -7.0°C | 43 | 11.7 | 6.87 h |
| February | -3.7°C-7.6°C | -7.6°C | 34 | 9.3 | 9.19 h |
| March | 0.2°C-4.6°C | -4.6°C | 37 | 9.0 | 11.812 h |
| April | 7.0°C0.6°C | 0.6°C | 39 | 8.9 | 14.515 h |
| May | 13.5°C6.4°C | 6.4°C | 48 | 8.6 | 17.117 h |
| June | 17.3°C10.7°C | 10.7°C | 64 | 10.6 | 18.719 h |
| July | 20.4°C14.4°C | 14.4°C | 62 | 10.2 | 18.018 h |
| August | 18.9°C13.5°C | 13.5°C | 74 | 11.0 | 15.616 h |
| September, selected | 13.9°C9.4°C | 9.4°C | 63 | 11.5 | 12.913 h |
| October | 7.2°C3.9°C | 3.9°C | 72 | 13.0 | 10.210 h |
| November | 2.0°C-0.8°C | -0.8°C | 66 | 13.3 | 7.68 h |
| December | -1.3°C-4.4°C | -4.4°C | 53 | 12.8 | 6.16 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Saint Petersburg in SeptemberRussia · 24 kmHigh 14.4°C · Low 9.1°C · 55 mm rain
- Pushkin in SeptemberRussia · 34 kmHigh 14.6°C · Low 8.2°C · 54 mm rain
- Gatchina in SeptemberRussia · 36 kmHigh 14.5°C · Low 8.2°C · 52 mm rain
- Kolpino in SeptemberRussia · 41 kmHigh 14.8°C · Low 8.7°C · 54 mm rain
- Vyborg in SeptemberRussia · 111 kmHigh 14.2°C · Low 9.3°C · 59 mm rain
- Lappeenranta in SeptemberFinland · 161 kmHigh 13.9°C · Low 8.6°C · 56 mm rain
- Velikiy Novgorod in SeptemberRussia · 170 kmHigh 15.0°C · Low 9.5°C · 61 mm rain
- Kouvola in SeptemberFinland · 207 kmHigh 14.2°C · Low 8.4°C · 53 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Peterhof) is explained once on the Peterhof year overview and on the Sources, method and limits page.