Horsham in September
7.0out of 10
Possible, with caveats
Mild: highs around 16°C. Frequent rain: about 9 rainy days.
16°CAvg high
6°CAvg low
9Rainy days (47 mm)
11:47 hDaylight
06:32Sunrise · 18:19 Sunset
Why this score
- Mild: highs around 16°C
- Frequent rain: about 9 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in September varies a lot between years (±3.6 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 | 29°C | 14°C | 32 mm | 4 | – | – | 8.5 |
| February | 29°C | 14°C | 22 mm | 3 | – | – | 8.7 |
| March | 25°C | 12°C | 19 mm | 4 | – | – | 8.6 |
| April | 21°C | 9°C | 27 mm | 4 | – | – | 8.3 |
| May | 16°C | 7°C | 38 mm | 6 | – | – | 7.4 |
| June | 14°C | 5°C | 43 mm | 8 | – | – | 6.7 |
| July | 13°C | 5°C | 42 mm | 9 | – | – | 6.4 |
| August | 14°C | 5°C | 44 mm | 9 | – | – | 6.6 |
| September | 16°C | 6°C | 47 mm | 9 | – | – | 7.0 |
| October | 20°C | 8°C | 37 mm | 6 | – | – | 7.9 |
| November | 24°C | 10°C | 39 mm | 6 | – | – | 8.3 |
| December | 27°C | 12°C | 37 mm | 5 | – | – | 8.4 |
Frequently asked questions
How hot is Horsham in September?
Daytime highs average 16°C and nights about 6°C.
When is the best time to visit Horsham?
The best months are February, March, January, December.