Canton of Solothurn Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Canton of Solothurn, Switzerland in September.

Planning a trip to Canton of Solothurn, Switzerland this September? Here's what you need to know about the weather:

What to Expect in Canton of Solothurn in September

Canton of Solothurn, Switzerland is a region in Switzerland. September in Canton of Solothurn generally has pleasant temperatures, with high precipitation.

Temperatures

You can expect pleasant maximum daytime temperatures of around 20°C (68°F) and nighttime temperatures around 10°C (50°F) in Solothurn.

For a closer look at conditions across Canton of Solothurn, Switzerland, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From high rainfall in Dornach with an average of 102 mm (4 in) to high rainfall in Olten with 117 mm (4.6 in).

Average sunshine

Sunshine is fairly consistent across many areas. Solothurn receives about 176 hours of sunlight in September, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Canton of Solothurn by month

Pick a month to see the average temperature, rainfall and sunshine in Canton of Solothurn — and find the best time to visit. (based on Solothurn)

Best Places to Visit in Canton of Solothurn in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Canton of Solothurn.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Canton of Solothurn

What is the weather like in September for some of the most popular destinations in Canton of Solothurn, Switzerland?

Temperature range in Canton of Solothurn (September)

Precipitation variation in Canton of Solothurn (September)

Solothurn

In September Solothurn generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
227 hours
176 hours
121 hours
Monthly rainfall
148 mm (5.8 in)
114 mm (4.5 in)
103 mm (4.1 in)
Monthly rainy days
16 days
13 days
13 days
Weather conditions

Olten

In September Olten generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
216 hours
162 hours
108 hours
Monthly rainfall
153 mm (6 in)
117 mm (4.6 in)
101 mm (4 in)
Monthly rainy days
16 days
13 days
13 days
Weather conditions

Zuchwil

In September Zuchwil generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
227 hours
176 hours
121 hours
Monthly rainfall
147 mm (5.8 in)
114 mm (4.5 in)
102 mm (4 in)
Monthly rainy days
16 days
13 days
13 days
Weather conditions

Egerkingen

In September Egerkingen generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
25°C (77°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
216 hours
162 hours
108 hours
Monthly rainfall
147 mm (5.8 in)
111 mm (4.4 in)
99 mm (3.9 in)
Monthly rainy days
16 days
13 days
13 days
Weather conditions

Grenchen

In September Grenchen generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 10°C (50°F) and high monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
24°C (75°F)
20°C (68°F)
15°C (59°F)
Min temperature
14°C (57°F)
10°C (50°F)
6°C (43°F)
Monthly sun hours
227 hours
176 hours
121 hours
Monthly rainfall
149 mm (5.9 in)
116 mm (4.6 in)
106 mm (4.2 in)
Monthly rainy days
16 days
13 days
13 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Canton of Solothurn, in Switzerland.

Popular cities in September

Day & night temperatures, rainfall and average weather in Canton of Solothurn in September.

City Weather Day temp Night temp Rainfall
Solothurn 20°C (68°F) 10°C (50°F) 114 mm (4.5 in)
Olten 20°C (68°F) 10°C (50°F) 117 mm (4.6 in)
Zuchwil 20°C (68°F) 10°C (50°F) 114 mm (4.5 in)
Egerkingen 20°C (68°F) 10°C (50°F) 111 mm (4.4 in)
Grenchen 20°C (68°F) 10°C (50°F) 116 mm (4.6 in)
Wangen an der Aare 20°C (68°F) 10°C (50°F) 115 mm (4.5 in)

Canton of Solothurn weather in September: frequently asked questions

What is the weather like in Canton of Solothurn, Switzerland in September?

Canton of Solothurn, Switzerland typically experiences pleasant weather in September, part of the season. Daytime highs in Solothurn average around 20°C (68°F), and temperatures drop to about 10°C (50°F) at night.

What is the average temperature in Canton of Solothurn, Switzerland in September?

Solothurn averages a daytime maximum of 20°C (68°F) in September, with overnight lows close to 10°C (50°F).

Does Canton of Solothurn, Switzerland get a lot of rain in September?

Yes, September tends to be a wetter month in Canton of Solothurn, Switzerland. Average rainfall in Solothurn sits around 114 mm (4.5 in).

Is September a Good Time to Visit Canton of Solothurn, Switzerland?

We believe that September is one of the best times to visit Canton of Solothurn, Switzerland with overall pleasant weather in Solothurn. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, June, July, August and September provide pleasant weather in Solothurn. In contrast, January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Canton of Solothurn.

Weather and climate has detailed information for every country in the world. Are you going to Switzerland? Get detailed historical weather averages for many cities in Switzerland.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.