Riverside in September
8.2out of 10
Yes, a good time to go
Hot: daytime highs around 31°C. Very dry: about 1 rainy days.
31°CAvg high
17°CAvg low
1Rainy days (6 mm)
12:12 hDaylight
06:38Sunrise · 18:50 Sunset
Why this score
- Hot: daytime highs around 31°C
- Very dry: about 1 rainy days
What to wear and pack
- Light, breathable clothing
- Shorts or a light skirt
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (1.4 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 | 18°C | 6°C | 95 mm | 7 | – | – | 7.4 |
| February | 18°C | 7°C | 111 mm | 8 | – | – | 7.3 |
| March | 20°C | 8°C | 68 mm | 7 | – | – | 7.8 |
| April | 23°C | 10°C | 32 mm | 5 | – | – | 8.4 |
| May | 25°C | 13°C | 15 mm | 3 | – | – | 8.7 |
| June | 29°C | 16°C | 3 mm | 1 | – | – | 9.0 |
| July | 32°C | 19°C | 2 mm | 1 | – | – | 8.1 |
| August | 33°C | 19°C | 1 mm | 0 | – | – | 7.9 |
| September | 31°C | 17°C | 6 mm | 1 | – | – | 8.2 |
| October | 27°C | 13°C | 22 mm | 3 | – | – | 8.7 |
| November | 22°C | 9°C | 30 mm | 4 | – | – | 8.5 |
| December | 17°C | 6°C | 67 mm | 6 | – | – | 7.6 |
Frequently asked questions
How hot is Riverside in September?
Daytime highs average 31°C and nights about 17°C.
When is the best time to visit Riverside?
The best months are June, May, October, November.