Terfens Weather in September
Thinking of visiting Terfens in September? Expect moderate temperatures reaching 15°C (59°F) during the day,
dropping to 5°C (41°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Terfens in September
Typically, about
14 days will experience rainfall, with an average of
152 mm (6 in) for the month.
Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Terfens in September
Daytime highs in Terfens in September reach
15°C (59°F), with nights around
5°C (41°F).
This creates a mild day-to-night pattern that is generally easy to manage with the right clothing.
Nights drop to
5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Terfens in September
You can expect a moderate amount of sunlight, with approximately
185 hours. This means a pleasant mix of sun and overcast.
Wind Speed in Terfens in September
Wind speeds average
1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.
If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Terfens.
perfect weather
pleasant
tolerable
unpleasant
poor
Avg daytime high
-5°C (23°F) cold → 32°C (90°F) hot
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
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).
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Marker color shows total monthly precipitation in September: pale blue is dry, deep blue is wet.