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Region Plessur (Chur)
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Switzerland weather

Weather in Region Plessur for September 2025

Your guide to Region Plessur weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Region Plessur is slightly cooler than the historical average by -1.8 °C.

  • The forecast for the next days in Region Plessur predicts temperatures to be around 11 °C, close to the historical average.

  • In general, the average temperature in Region Plessur at the beginning of September is 19.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 3.4 °C by the end of September.

    • Rain 🌧️

  • Region Plessur in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 153.2 mm.

Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/6°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Region Plessur Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
18°
2
Patchy rain possible
17°
3
Sunny
20°
4
Overcast
20°
5
Sunny
16°
6
Sunny
21°
7
Sunny
22°
8
Sunny
20°
9
Light rain shower
16°
10
Light rain shower
16°
11
Patchy rain possible
17°
12
Thundery outbreaks possible
11°
13
Moderate rain
10°
14
Moderate rain
10°
15
Partly cloudy
14°
16
Sunny
12°
17
Sunny
13°
18
Sunny
21°
19
Sunny
25°
20
Sunny
23°
21
Sunny
21°
22
Moderate rain
14°
23
Patchy rain possible
10°
24
Moderate rain
2°
25
Fog
1°
26
Partly cloudy
1°
27
Fog
3°
28
Patchy rain possible
4°
29
Partly cloudy
5°
30
Sunny
8°

Temperatures trend during September in Region Plessur

See the weather trend as well as the moving average line

September weather in Region Plessur day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 18° /7° 9.5 mm 4
2 Sept. Patchy rain possible
Patchy rain possible
 17° /7° 2.7 mm 4
3 Sept. Sunny
Sunny
 20° /7° 1 mm 5
4 Sept. Overcast
Overcast
 20° /9° 3.9 mm 5
5 Sept. Sunny
Sunny
 16° /7° 7.6 mm 4
6 Sept. Sunny
Sunny
 21° /6° 0.1 mm 5
7 Sept. Sunny
Sunny
 22° /8° 0 mm 6
8 Sept. Sunny
Sunny
 20° /9° 2.8 mm 5
9 Sept. Light rain shower
Light rain shower
 16° /8° 10.9 mm 4
10 Sept. Light rain shower
Light rain shower
 16° /8° 3.5 mm 4
11 Sept. Patchy rain possible
Patchy rain possible
 17° /6° 1.8 mm 4
12 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 11° /6° 4 mm 3
13 Sept. Moderate rain
Moderate rain
 10° /5° 11 mm 3
14 Sept. Moderate rain
Moderate rain
 10° /5° 7.6 mm 2
15 Sept. Partly cloudy
Partly cloudy
 14° /4° 1.5 mm 4
16 Sept. Sunny
Sunny
 12° /3° 1.4 mm 3
17 Sept. Sunny
Sunny
 13° /5° 1.6 mm 4
18 Sept. Sunny
Sunny
 21° /8° 0 mm 1.4
19 Sept. Sunny
Sunny
 25° /10° 0 mm 1.4
20 Sept. Sunny
Sunny
 23° /11° 0 mm 1.4
21 Sept. Sunny
Sunny
 21° /10° 0 mm 1.3
22 Sept. Moderate rain
Moderate rain
 14° /10° 5.9 mm 0.3
23 Sept. Patchy rain possible
Patchy rain possible
 10° /6° 3.3 mm 2
24 Sept. Moderate rain
Moderate rain
 2° /0° 17.1 mm 1
25 Sept. Fog
Fog
 1° /-2° 5.2 mm 1
26 Sept. Partly cloudy
Partly cloudy
 1° /-8° 0 mm 2
27 Sept. Fog
Fog
 3° /-5° 0.2 mm 1
28 Sept. Patchy rain possible
Patchy rain possible
 4° /0° 0.1 mm 1
29 Sept. Partly cloudy
Partly cloudy
 5° /-4° 0 mm 2
30 Sept. Sunny
Sunny
 8° /0° 0 mm 2
Next
Important Notice
Our weather forecast for Region Plessur in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Region Plessur forecast closer to your planned date for the most up-to-date weather information.
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Region Plessur in September - FAQ

What are the expected maximum and minimum temperatures in Region Plessur during September?
During September, expect a variety of temperatures with highs around 15° and lows near 6°, suitable for diverse activities and preferences.
How much rainfall should be expected in Region Plessur during September?
Significant rainfall exceeding 153.2 mm is expected in Region Plessur during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Region Plessur during September?
The average wind speed in Region Plessur during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Region Plessur

Explore the daily rainfall trends and prepare for Region Plessurs September weather 💧

UV exposure in Region Plessur during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Region Plessur?

Get accurate weather forecasts for Region Plessur, located at latitude 46.85 and longitude 9.533. Stay updated with localized weather information tailored for Region Plessur.

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