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Weather in Speyer for September 2025

Your guide to Speyer weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Speyer is slightly cooler than the historical average by -1.6 °C.

  • The forecast for the next days in Speyer predicts temperatures to be around 23 °C, close to the historical average.

  • In general, the average temperature in Speyer at the beginning of September is 25.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.3 °C by the end of September.

    • Rain 🌧️

  • The climate of Speyer in September is notably wet, with an average of 15 rainy days, and a total of 84.2 mm of precipitation.

    • More

  • Is September a good time to visit Speyer? check out the best time to travel to Speyer page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/13°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Speyer Weather September

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

Temperatures trend during September in Speyer

See the weather trend as well as the moving average line

September weather in Speyer day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 27° /17° 0.4 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
 26° /16° 4.6 mm 6
3 Sept. Partly cloudy
Partly cloudy
 28° /17° 0.2 mm 7
4 Sept. Moderate rain at times
Moderate rain at times
 23° /17° 8 mm 5
5 Sept. Patchy rain possible
Patchy rain possible
 25° /15° 3 mm 6
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /14° 5.2 mm 5
7 Sept. Sunny
Sunny
 28° /14° 0 mm 7
8 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /15° 5.6 mm 5
9 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /14° 19.1 mm 4
10 Sept. Patchy rain possible
Patchy rain possible
 20° /13° 1.4 mm 5
11 Sept. Heavy rain at times
Heavy rain at times
 18° /11° 2.4 mm 5
12 Sept. Patchy rain possible
Patchy rain possible
 19° /9° 1.1 mm 5
13 Sept. Patchy rain possible
Patchy rain possible
 22° /13° 2.6 mm 0.7
14 Sept. Patchy rain possible
Patchy rain possible
 21° /12° 5 mm 0.8
15 Sept. Patchy rain possible
Patchy rain possible
 23° /16° 0.6 mm 1
16 Sept. Partly cloudy
Partly cloudy
 19° /14° 0.1 mm 0.7
17 Sept. Partly cloudy
Partly cloudy
 19° /13° 0.1 mm 0.3
18 Sept. Sunny
Sunny
 26° /15° 0 mm 5
19 Sept. Partly cloudy
Partly cloudy
 26° /17° 0 mm 6
20 Sept. Patchy rain possible
Patchy rain possible
 28° /17° 0.5 mm 5
21 Sept. Partly cloudy
Partly cloudy
 22° /17° 0 mm 5
22 Sept. Patchy rain possible
Patchy rain possible
 19° /12° 0.1 mm 4
23 Sept. Sunny
Sunny
 21° /12° 0 mm 5
24 Sept. Sunny
Sunny
 24° /12° 0 mm 5
25 Sept. Sunny
Sunny
 26° /13° 0 mm 5
26 Sept. Sunny
Sunny
 27° /15° 0 mm 6
27 Sept. Patchy rain possible
Patchy rain possible
 18° /11° 0.6 mm 4
28 Sept. Patchy rain possible
Patchy rain possible
 15° /9° 2.1 mm 4
29 Sept. Partly cloudy
Partly cloudy
 16° /6° 0 mm 5
30 Sept. Light rain
Light rain
 16° /8° 1.4 mm 4
Next
Important Notice
Our weather forecast for Speyer 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 Speyer forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Speyer weather in September vs August vs October

Compare September weather in Speyer with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures28°/17°21°/13°16°/10°
Rainfall61 mm84 mm98 mm
Wind12.1 km/h16.1 km/h12 km/h
Humidity61%68%77%
Rainy days9 days15 days13 days
Dry days22 days15 days18 days

Planning a trip to Speyer? Discover the best time to visit

Speyer in September - FAQ

What are the expected maximum and minimum temperatures in Speyer during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Speyer during September?
Moderate rainfall is anticipated in Speyer during September, with a total of 84.2 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Speyer during September?
The average wind speed in Speyer during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Speyer in September?

As you prepare for your trip to Speyer in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Speyer, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Speyer

Explore the daily rainfall trends and prepare for Speyers September weather 💧

UV exposure in Speyer during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Speyer?

Get accurate weather forecasts for Speyer, located at latitude 49.321 and longitude 8.431. Stay updated with localized weather information tailored for Speyer.

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