Weather Comparison
Side-by-side weather comparison for September
| Metric | Paris | Bath | Better |
|---|---|---|---|
| Average HighHigher is warmer | 21°C (70°F)▲ | 11°C (52°F) | Paris |
| Average LowHigher is milder | 12°C (54°F)▲ | -1°C (30°F) | Paris |
| Rain DaysFewer is drier | 8 days | 4 days▲ | Bath |
| PrecipitationLess is drier | 47 mm▲ | 50 mm | Paris |
| Sunshine HoursMore is sunnier | 9h/day▲ | 4h/day | Paris |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 17 km/h | 15 km/h▲ | Bath |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Paris edges ahead as the better destination in September. Paris offers 9 hours of daily sunshine with only 8 rain days, while Bath sees 4 sunshine hours and 4 rain days.
Paris sits in the comfortable travel range at 21°C. Bath is cooler at 11°C.
For travelers who prioritize dry weather, Bath is the stronger choice in September. Paris receives 5 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
Paris reaches an average high of 21°C (70°F) and drops to 12°C (54°F) at night during September. The daily temperature range is 9°C, meaning moderate variation throughout the day.
Bath averages 11°C (52°F) for the high and -1°C (30°F) for the low, with a daily range of 12°C. There is a notable 10°C gap between the two cities, so expect a very different feel.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.
Paris receives approximately 47 mm of rainfall across 8 rain days during September. You can expect rain roughly every other day.
Bath sees 50 mm over 4 rain days. That makes Bath the drier option by 4 rain days and 3 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 21°C, lows of 12°C, 8 rain days
Highs of 11°C, lows of -1°C, 4 rain days
The table below shows average high temperatures and rain days for every month. September is highlighted for quick reference.
| Month | Paris | Bath | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 7°C | 12d | 0°C | 3d |
| Feb | 8°C | 10d | 4°C | 3d |
| Mar | 12°C | 11d | 11°C | 4d |
| Apr | 15°C | 11d | 17°C | 5d |
| May | 19°C | 11d | 21°C | 6d |
| Jun | 22°C | 10d | 23°C | 6d |
| Jul | 24°C | 10d | 21°C | 6d |
| Aug | 24°C | 9d | 17°C | 5d |
| Sep | 21°C | 8d | 11°C | 4d |
| Oct | 16°C | 11d | 4°C | 3d |
| Nov | 11°C | 11d | 0°C | 3d |
| Dec | 7°C | 12d | -2°C | 3d |
Paris Weather in September
Full forecast, packing tips, and activities
Bath Weather in September
Full forecast, packing tips, and activities