Decatur in September
8.1out of 10
Yes, a good time to go
Warm and comfortable: highs around 26°C. Some rain: about 8 rainy days.
26°CAvg high
14°CAvg low
8Rainy days (82 mm)
12:15 hDaylight
06:43Sunrise · 18:58 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Some rain: about 8 rainy days
What to wear and pack
- T-shirts and light layers
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (2.6 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 | -6°C | 69 mm | 8 | – | – | 4.3 |
| February | 5°C | -4°C | 59 mm | 7 | – | – | 5.0 |
| March | 12°C | 1°C | 83 mm | 10 | – | – | 6.0 |
| April | 19°C | 7°C | 117 mm | 12 | – | – | 6.8 |
| May | 24°C | 13°C | 122 mm | 13 | – | – | 7.1 |
| June | 28°C | 18°C | 111 mm | 11 | – | – | 7.4 |
| July | 30°C | 20°C | 91 mm | 10 | – | – | 7.5 |
| August | 29°C | 19°C | 76 mm | 9 | – | – | 8.0 |
| September | 26°C | 14°C | 82 mm | 8 | – | – | 8.1 |
| October | 19°C | 8°C | 87 mm | 9 | – | – | 7.4 |
| November | 11°C | 2°C | 88 mm | 9 | – | – | 6.2 |
| December | 5°C | -3°C | 63 mm | 9 | – | – | 4.9 |
Frequently asked questions
How hot is Decatur in September?
Daytime highs average 26°C and nights about 14°C.
When is the best time to visit Decatur?
The best months are September, August, July.