Gannan in September
7.8out of 10
Yes, a good time to go
Mild: highs around 20°C. Some rain: about 8 rainy days.
20°CAvg high
8°CAvg low
8Rainy days (59 mm)
12:20 hDaylight
05:30Sunrise · 17:50 Sunset
Why this score
- Mild: highs around 20°C
- Some rain: about 8 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Comfortable walking shoes
How reliable is the forecast?
Rain in September varies a lot between years (±3.1 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 | -13°C | -24°C | 2 mm | 1 | – | – | 5.0 |
| February | -7°C | -19°C | 3 mm | 1 | – | – | 5.0 |
| March | 2°C | -9°C | 8 mm | 3 | – | – | 4.9 |
| April | 13°C | 0°C | 25 mm | 4 | – | – | 6.9 |
| May | 21°C | 8°C | 43 mm | 7 | – | – | 7.9 |
| June | 26°C | 15°C | 89 mm | 11 | – | – | 7.5 |
| July | 28°C | 18°C | 142 mm | 13 | – | – | 7.0 |
| August | 26°C | 15°C | 113 mm | 12 | – | – | 7.3 |
| September | 20°C | 8°C | 59 mm | 8 | – | – | 7.8 |
| October | 11°C | -1°C | 24 mm | 5 | – | – | 6.4 |
| November | -2°C | -12°C | 6 mm | 2 | – | – | 4.9 |
| December | -11°C | -22°C | 5 mm | 2 | – | – | 4.8 |
Frequently asked questions
How hot is Gannan in September?
Daytime highs average 20°C and nights about 8°C.
When is the best time to visit Gannan?
The best months are May, September, June.