Senec in September
7.8out of 10
Yes, a good time to go
Mild: highs around 21°C. Frequent rain: about 9 rainy days.
21°CAvg high
12°CAvg low
9Rainy days (64 mm)
12:20 hDaylight
06:35Sunrise · 18:55 Sunset
Why this score
- Mild: highs around 21°C
- Frequent rain: about 9 rainy days
- Rain varies a lot between years (±4.0 days)
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±4.0 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 | 3°C | -3°C | 36 mm | 8 | – | – | 4.6 |
| February | 5°C | -2°C | 33 mm | 8 | – | – | 5.1 |
| March | 11°C | 2°C | 40 mm | 8 | – | – | 6.0 |
| April | 17°C | 6°C | 42 mm | 8 | – | – | 7.2 |
| May | 21°C | 11°C | 67 mm | 11 | – | – | 7.5 |
| June | 25°C | 14°C | 72 mm | 11 | – | – | 7.6 |
| July | 27°C | 16°C | 74 mm | 11 | – | – | 7.6 |
| August | 27°C | 16°C | 64 mm | 9 | – | – | 7.8 |
| September | 21°C | 12°C | 64 mm | 9 | – | – | 7.8 |
| October | 15°C | 7°C | 48 mm | 9 | – | – | 6.8 |
| November | 9°C | 3°C | 47 mm | 9 | – | – | 5.7 |
| December | 3°C | -2°C | 41 mm | 9 | – | – | 4.7 |
Frequently asked questions
How hot is Senec in September?
Daytime highs average 21°C and nights about 12°C.
When is the best time to visit Senec?
The best months are August, September, June, July.