Gatchina Weather in September
Average highs run from 19°C on September 1 to 12°C on September 30, and lows from 11°C to 7°C. Normal precipitation for the month is 57 mm over about 14 wet days.
September day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 16°C
- Average low
- 9°C
- Precipitation
- 57 mm
- Record high
- 30°CSep 1, 1992
- Record low
- -3°CSep 28, 1976
- Daylight
- 14 h 07 min to 11 h 34 min
- Cloud cover
- 70%
- Humidity
- 88%
- Dew point
- 8°C
- Wind
- 7.6 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 19°C | 11°C | 30°C 1992 | 3°C 1993 | 45% |
| Sep 2 | 19°C | 11°C | 28°C 1963 | 3°C 1972 | 45% |
| Sep 3 | 19°C | 12°C | 28°C 2024 | 3°C 1901 | 45% |
| Sep 4 | 18°C | 12°C | 28°C 2024 | 3°C 1901 | 44% |
| Sep 5 | 18°C | 11°C | 29°C 1968 | 2°C 1961 | 44% |
| Sep 6 | 18°C | 11°C | 28°C 1967 | 2°C 1961 | 44% |
| Sep 7 | 18°C | 11°C | 27°C 2018 | 2°C 1953 | 44% |
| Sep 8 | 18°C | 11°C | 26°C 1999 | 1°C 1896 | 46% |
| Sep 9 | 17°C | 11°C | 26°C 1883 | 3°C 1956 | 48% |
| Sep 10 | 17°C | 10°C | 27°C 1883 | 1°C 1936 | 48% |
| Sep 11 | 17°C | 10°C | 27°C 1932 | 2°C 1936 | 47% |
| Sep 12 | 17°C | 10°C | 26°C 2024 | 1°C 1935 | 47% |
| Sep 13 | 16°C | 11°C | 24°C 1998 | 1°C 1893 | 46% |
| Sep 14 | 16°C | 10°C | 25°C 2024 | 2°C 1993 | 46% |
| Sep 15 | 16°C | 9°C | 27°C 1955 | 0°C 1944 | 46% |
| Sep 16 | 15°C | 9°C | 26°C 1955 | -1°C 1952 | 46% |
| Sep 17 | 15°C | 9°C | 26°C 2024 | -1°C 1968 | 45% |
| Sep 18 | 15°C | 9°C | 23°C 2001 | 2°C 1888 | 43% |
| Sep 19 | 15°C | 9°C | 24°C 2018 | -1°C 1968 | 43% |
| Sep 20 | 15°C | 8°C | 24°C 1937 | -2°C 1993 | 43% |
| Sep 21 | 15°C | 9°C | 24°C 1937 | -2°C 1942 | 44% |
| Sep 22 | 15°C | 9°C | 22°C 1936 | -1°C 1907 | 44% |
| Sep 23 | 15°C | 8°C | 25°C 2023 | -1°C 1956 | 44% |
| Sep 24 | 15°C | 8°C | 24°C 2020 | -3°C 1956 | 44% |
| Sep 25 | 14°C | 7°C | 24°C 2024 | -2°C 1939 | 45% |
| Sep 26 | 14°C | 7°C | 23°C 2020 | -1°C 1966 | 45% |
| Sep 27 | 14°C | 8°C | 22°C 1917 | -2°C 1906 | 46% |
| Sep 28 | 13°C | 8°C | 22°C 1947 | -3°C 1976 | 46% |
| Sep 29 | 12°C | 7°C | 23°C 2023 | -2°C 1888 | 46% |
| Sep 30 | 12°C | 7°C | 23°C 2007 | -3°C 1976 | 46% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- September 1
- sunrise 5:55 AM, sunset 8:02 PM
- September 30
- sunrise 7:02 AM, sunset 6:36 PM
Other months
Sources
Records: NOAA GHCN-Daily, station RSM00026063, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.