Vihanti Weather in September
Average highs run from 17°C on September 1 to 11°C on September 30, and lows from 6°C to 3°C. Normal precipitation for the month is 73 mm over about 13 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
- 14°C
- Average low
- 4°C
- Precipitation
- 73 mm
- Record high
- 26°CSep 6, 2024
- Record low
- -8°CSep 22, 2002
- Daylight
- 14 h 36 min to 11 h 27 min
- Cloud cover
- 70%
- Humidity
- 89%
- Dew point
- 8°C
- Wind
- 9.7 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 | 17°C | 6°C | 23°C 2019 | -4°C 2022 | 44% |
| Sep 2 | 16°C | 6°C | 25°C 2019 | -3°C 2007 | 44% |
| Sep 3 | 16°C | 5°C | 23°C 2018 | -6°C 2003 | 43% |
| Sep 4 | 17°C | 6°C | 25°C 2024 | -3°C 2000 | 42% |
| Sep 5 | 17°C | 6°C | 25°C 2024 | -4°C 2000 | 41% |
| Sep 6 | 17°C | 6°C | 26°C 2024 | -6°C 2000 | 41% |
| Sep 7 | 17°C | 5°C | 25°C 2025 | -5°C 2000 | 40% |
| Sep 8 | 16°C | 6°C | 24°C 2024 | -7°C 2022 | 40% |
| Sep 9 | 16°C | 5°C | 24°C 2024 | -5°C 2022 | 40% |
| Sep 10 | 16°C | 6°C | 24°C 2024 | -4°C 2021 | 39% |
| Sep 11 | 17°C | 5°C | 23°C 2025 | -5°C 2008 | 40% |
| Sep 12 | 15°C | 6°C | 23°C 2023 | -6°C 2008 | 40% |
| Sep 13 | 15°C | 6°C | 22°C 2006 | -2°C 2009 | 40% |
| Sep 14 | 15°C | 4°C | 21°C 2013 | -3°C 2007 | 42% |
| Sep 15 | 14°C | 4°C | 20°C 2009 | -5°C 2006 | 42% |
| Sep 16 | 13°C | 4°C | 18°C 2024 | -5°C 2005 | 41% |
| Sep 17 | 13°C | 4°C | 18°C 2006 | -4°C 2016 | 42% |
| Sep 18 | 14°C | 3°C | 21°C 2001 | -4°C 2016 | 42% |
| Sep 19 | 14°C | 5°C | 21°C 2001 | -3°C 2002 | 42% |
| Sep 20 | 14°C | 4°C | 20°C 2001 | -6°C 2002 | 44% |
| Sep 21 | 13°C | 4°C | 17°C 2001 | -6°C 2021 | 44% |
| Sep 22 | 13°C | 4°C | 22°C 2023 | -8°C 2002 | 45% |
| Sep 23 | 12°C | 4°C | 22°C 2006 | -5°C 2019 | 45% |
| Sep 24 | 11°C | 4°C | 17°C 2006 | -7°C 2019 | 45% |
| Sep 25 | 12°C | 2°C | 19°C 2007 | -7°C 2019 | 46% |
| Sep 26 | 12°C | 2°C | 18°C 2009 | -4°C 2010 | 45% |
| Sep 27 | 13°C | 4°C | 20°C 2005 | -8°C 2002 | 46% |
| Sep 28 | 11°C | 3°C | 18°C 2020 | -6°C 2007 | 46% |
| Sep 29 | 10°C | 2°C | 17°C 2023 | -6°C 2007 | 47% |
| Sep 30 | 11°C | 3°C | 15°C 2000 | -5°C 2008 | 47% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- September 1
- sunrise 6:01 AM, sunset 8:37 PM
- September 30
- sunrise 7:26 AM, sunset 6:53 PM
Other months
Sources
Records: NOAA GHCN-Daily, station FIE00145227, 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.