France
Nice in September: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Nice in September is climatically well suited to city breaks, active holidays and hiking, family holidays and beach holidays. The average daily high is around 23 °C, and the sea is about 23 °C. With about 8 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
85/100 · #4
Warmth
#3
Dryness
#7
Sun
#6
Sea warmth
#3
Published best categories: Overall, Beach, City break, Active, Family
Nice · SeptemberPhoto: Spike · CC BY-SA 4.0Climate facts
- Average high
- 23 °C
- Average low
- 20 °C
- Sea
- 23 °C
- Rainy days (est.)
- 8 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 73 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 26 | 23 | 6 | 29 | 7.7 | 73 | 2.6 | 25 | 93 |
| September (selected) | 23 | 20 | 8 | 66 | 5.7 | 73 | 3.1 | 23 | 85 |
| October | 19 | 17 | 9 | 96 | 3.8 | 76 | 3.8 | 20 | 67 |
How do the previous and next months compare?
Baseline: September (85/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | +8 | +3 °C | +2.9 °C | -2 | -37.8 mm | +2 h | ±0 % | -0.6 m/s | +2.2 °C |
| October | -18 | -3.3 °C | -3.2 °C | +1.8 | +30 mm | -1.9 h | +2.9 % | +0.6 m/s | -2.6 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Nice in September?
The average daily high is around 23 °C, with an average daily low of about 20 °C.
Can you swim in Nice in September?
The sea is about 23 °C (swimmable).
Does it rain a lot in Nice in September?
The curated estimate is about 8 rainy days per month, not a directly measured long-term average. Total precipitation averages around 66 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Nice?
By the climate score, June, July, August and September are the strongest months for Nice. For a beach trip: June, July, August and September. September is one of them.