Southbury in September
7.7out of 10
Yes, a good time to go
Warm and comfortable: highs around 23°C. Frequent rain: about 9 rainy days.
23°CAvg high
14°CAvg low
9Rainy days (105 mm)
12:16 hDaylight
06:39Sunrise · 18:55 Sunset
Why this score
- Warm and comfortable: highs around 23°C
- Frequent rain: about 9 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (3.0 days). 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 | 2°C | -5°C | 90 mm | 9 | – | – | 4.1 |
| February | 4°C | -5°C | 78 mm | 9 | – | – | 4.5 |
| March | 8°C | -1°C | 106 mm | 11 | – | – | 5.1 |
| April | 15°C | 5°C | 97 mm | 12 | – | – | 6.3 |
| May | 20°C | 11°C | 92 mm | 12 | – | – | 7.1 |
| June | 25°C | 16°C | 107 mm | 12 | – | – | 7.3 |
| July | 28°C | 19°C | 98 mm | 11 | – | – | 7.5 |
| August | 27°C | 18°C | 109 mm | 11 | – | – | 7.5 |
| September | 23°C | 14°C | 105 mm | 9 | – | – | 7.7 |
| October | 17°C | 8°C | 108 mm | 9 | – | – | 6.9 |
| November | 11°C | 3°C | 88 mm | 9 | – | – | 6.0 |
| December | 5°C | -2°C | 107 mm | 10 | – | – | 4.5 |
Frequently asked questions
How hot is Southbury in September?
Daytime highs average 23°C and nights about 14°C.
When is the best time to visit Southbury?
The best months are September, July, August, June.