Ridder in September
5.9out of 10
Possible, with caveats
Cool: highs only around 13°C. Frequent rain: about 12 rainy days.
13°CAvg high
0°CAvg low
12Rainy days (97 mm)
12:21 hDaylight
06:10Sunrise · 18:31 Sunset
Why this score
- Cool: highs only around 13°C
- Frequent rain: about 12 rainy days
- Nights fall to about 0°C
- Rain varies a lot between years (±4.2 days)
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
- Gloves for freezing mornings
How reliable is the forecast?
Rain in September varies a lot between years (±4.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -12°C | -21°C | 60 mm | 10 | – | – | 3.8 |
| February | -8°C | -20°C | 57 mm | 9 | – | – | 3.9 |
| March | -2°C | -14°C | 75 mm | 10 | – | – | 3.7 |
| April | 6°C | -5°C | 100 mm | 12 | – | – | 4.5 |
| May | 14°C | 1°C | 127 mm | 14 | – | – | 5.6 |
| June | 19°C | 7°C | 135 mm | 16 | – | – | 6.3 |
| July | 20°C | 9°C | 167 mm | 18 | – | – | 6.1 |
| August | 19°C | 6°C | 120 mm | 13 | – | – | 6.7 |
| September | 13°C | 0°C | 97 mm | 12 | – | – | 5.9 |
| October | 5°C | -6°C | 118 mm | 13 | – | – | 4.0 |
| November | -5°C | -14°C | 114 mm | 13 | – | – | 3.3 |
| December | -10°C | -18°C | 91 mm | 13 | – | – | 3.3 |
Frequently asked questions
How hot is Ridder in September?
Daytime highs average 13°C and nights about 0°C.
When is the best time to visit Ridder?
The best months are August, June.