Olten in Fall
In fall (September, October and November), Olten sees average daytime highs around 13°C and overnight lows near 6°C, with 309 mm of precipitation over about 40 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 20°C in early September to 5°C by late November. The sky is clear or mostly clear about 19% of the time across fall, and the air most often feels dry.
Fall is Olten's 3rd-best season to visit on our travel score. For the whole year in context, see Olten's year-round climate.
- Avg daytime high
- 13°C
- 3rd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 309 mm
- 40 wet days
- Avg wind
- 6 km/h
- Travel score
- 3.3
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Olten in Fall
Over the season highs ease from about 20°C in early September to 5°C by late November.
A typical fall day in Olten reaches about 13°C and drops to 6°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Olten
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 14 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Olten weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 4° / -1° | 86 | 13.3 | 7.2 | 8.7 | 0.0 |
| Feb | 5° / -1° | 76 | 11.6 | 6.8 | 9.9 | 0.2 |
| Mar | 10° / 2° | 94 | 14.6 | 5.1 | 11.6 | 2.0 |
| Apr | 14° / 5° | 106 | 15.3 | 2.3 | 13.3 | 3.5 |
| May | 18° / 9° | 154 | 17.4 | 0.2 | 14.8 | 4.7 |
| Jun | 21° / 12° | 155 | 18.5 | 0 | 15.7 | 5.2 |
| Jul | 23° / 14° | 170 | 17.8 | 0 | 15.3 | 5.8 |
| Aug | 23° / 14° | 161 | 17 | 0 | 14.1 | 5.8 |
| Sep | 19° / 10° | 117 | 13.8 | 0 | 12.4 | 5.3 |
| Oct | 14° / 7° | 98 | 13 | 0.4 | 10.6 | 3.5 |
| Nov | 8° / 2° | 94 | 13.2 | 3.8 | 9.1 | 1.0 |
| Dec | 4° / -0° | 101 | 14.1 | 6.7 | 8.3 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 19% of the time across fall.
Chance of precipitation in Fall
Olten gets around 309 mm of rain and snow over 40 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 h 12 min in early September to 8 h 36 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 2.4 kWh/m².
Is fall a good time to visit Olten?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Olten.
What to pack for Olten in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Olten sees daytime highs around 13°C and nights near 6°C. Pack a warm layer and rain gear. Worth having: a heavy coat. About 40 days see rain.
UV index in Olten in Fall
Clear-sky midday UV across fall averages around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Olten peaks around July 15 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 7 | 8 | 7 | 4 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Moderate | High | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | Moderate |
| May | 7 | High |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Olten?
Olten sits at 47.4°N, 7.9°E, 406 m above sea level, in Switzerland. The nearest listed city is Aarau, 12 km away.
Topography around Olten
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Olten.
Within 3 km, the terrain around Olten has significant variations in elevation — a maximum elevation change of 423 m around an average of 480 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 819 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,417 m.
The land around Olten is covered by trees (58%) and artificial surfaces (21%) within 3 km, trees (53%) and grassland (25%) within 16 km, and trees (48%) and grassland (28%) within 80 km.
Switzerland travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / J
- 230 V · 50 Hz
- Prices
- ≈ 112% of US
- price level, 2025
- GDP per capita
- $114,769
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 2.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- High
- EF EPI 564
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Olten (47.35°, 7.9033°, elevation 406 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.