If you’re wondering what the weather is like in Nice in September, the short answer is: it’s one of the best months to visit. Summer crowds thin out, but the Mediterranean sun still delivers warm days and pleasant evenings. This guide covers everything you need to know, from average highs and lows to rainfall, sea temperature, and practical packing advice.
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September Weather Overview for Nice
September in Nice is a transition month, but it leans heavily toward summer. The average high temperature hovers around 26°C (79°F), while lows rarely dip below 18°C (64°F). You can expect plenty of sunshine, with about 9 hours of daylight per day. Rainfall is moderate, averaging 50–70 mm spread over 5–7 rainy days. The sea remains warm, typically around 22–24°C (72–75°F), perfect for swimming.
What to Expect Day by Day
Early September often feels like full summer: highs can reach 28°C (82°F) or more. By late September, temperatures ease to around 24°C (75°F) during the day. Evenings become cooler, so a light jacket or sweater is advisable. The Mistral wind occasionally picks up, but it usually brings clear skies.
Average Temperatures and Rainfall
| Metric | Early September | Late September |
|---|---|---|
| Average High | 27°C (81°F) | 24°C (75°F) |
| Average Low | 19°C (66°F) | 16°C (61°F) |
| Sea Temperature | 24°C (75°F) | 22°C (72°F) |
| Rainfall (mm) | 50 | 70 |
| Rainy Days | 5 | 7 |
| Sunshine Hours | 9 | 8 |
Is September a Good Time to Visit Nice?
Yes, for most travelers. The weather in Nice in September is warm but not scorching. The city is less crowded than in July and August, and accommodation prices drop slightly. You can still enjoy beach days, outdoor dining, and sightseeing without the intense heat or peak-season queues.
Pros and Cons of Visiting in September
- Pros: Pleasant temperatures, fewer tourists, lower prices, warm sea, many sunny days.
- Cons: Occasional rain, some attractions reduce hours, evenings require a light layer.
What to Pack for Nice in September
Your packing list should balance summer essentials with a few autumn items. Here’s a quick checklist:
- Lightweight clothing (shorts, T-shirts, sundresses)
- Swimwear and a beach towel
- A light jacket, cardigan, or sweatshirt for evenings
- Comfortable walking shoes for exploring
- A compact umbrella or rain jacket
- Sunscreen, sunglasses, and a hat
- Sandals and closed-toe shoes
Activities and Events in Nice During September
September hosts several cultural events. The Nice Jazz Festival sometimes extends into early September. The Fête de la Saint-Michel features concerts and fireworks. Many restaurants offer reduced-price menus during the “Rentrée” period. It’s also a great time for hiking in the nearby Mercantour National Park or exploring the old town (Vieux Nice).
Beach and Water Activities
The sea is still warm enough for swimming, paddleboarding, and snorkeling. Public beaches remain open, and many private beach clubs operate until the end of September. If you prefer quieter spots, head to the pebble beaches east of the port.
Common Mistakes to Avoid
- Underestimating the sun: UV rays are still strong. Use sunscreen even on cloudy days.
- Forgetting a sweater: Evenings can be cool, especially near the coast.
- Skipping bookings: While less crowded, popular restaurants and hotels still fill up.
- Ignoring rain forecasts: A sudden downpour can happen. Plan indoor alternatives.
Frequently Asked Questions About Nice Weather in September
Does it rain a lot in Nice in September?
Rainfall is moderate, averaging 50–70 mm over 5–7 days. Most days are dry, but brief showers can occur, often in the afternoon or evening.
Is it still hot enough to swim in September?
Yes. The sea temperature ranges from 22°C to 24°C, which is comfortable for swimming. Many people enjoy the water throughout the month.
What should I wear in Nice in September?
Light summer clothes for daytime, plus a jacket or sweater for evenings. Comfortable shoes are essential for walking. Don’t forget swimwear and sun protection.
Are there many tourists in Nice in September?
Fewer than in July and August, but still a fair number. Early September sees some lingering summer crowds, while late September is quieter.
Is September a good month for hiking near Nice?
Absolutely. The temperatures are pleasant for outdoor activities. Trails in the surrounding hills and Mercantour National Park are in excellent condition.
Can I expect sunny days throughout September?
Most days are sunny or partly sunny. On average, you can expect around 8–9 hours of sunshine daily. Cloudy days are possible but rare.
Final Recommendations for Enjoying Nice in September
To make the most of the weather in Nice in September, plan a mix of beach time, cultural visits, and outdoor exploration. Book your accommodation in advance to secure the best rates. Pack layers to adapt to changing temperatures. And most importantly, take advantage of the warm sea and sunny skies before autumn fully arrives.




What’s the best way to get from Nice Airport to the city center in September?
The most convenient option is the Nice Airport Express bus (line 98) which runs every 30 minutes and takes about 30 minutes. Taxis and ride-sharing are also available but more expensive.
Do restaurants and shops in Nice have reduced hours in September?
Some smaller shops and attractions may reduce hours after the peak season, but most restaurants and major sites remain open. It’s a good idea to check specific places online before visiting.
Great overview! How many rainy days should I expect if I go mid-September?
Mid-September typically sees about 5–6 rainy days on average, but showers are often brief. You’ll still have plenty of sunshine.
I’m worried about the Mistral wind. Does it affect beach days a lot?
The Mistral can pick up suddenly, but it usually brings clear skies and doesn’t last long. It can make the sea choppy, so check the forecast. Many beach days are still enjoyable.
This is really helpful. What’s the average UV index in September? Should I still bring strong sunscreen?
The UV index in September in Nice is still moderate to high, around 6-7. Yes, bring SPF 30+ sunscreen, a hat, and sunglasses, especially for midday hours.
I’m planning a trip for the first week of September. Do I need a jacket for evenings?
Yes, a light jacket or sweater is advisable for evenings in early September, as temperatures can drop to around 19°C (66°F). A cardigan or windbreaker works well.
Are there any local events in Nice during September that are free?
Yes, the Fête de la Saint-Michel includes free concerts and fireworks. Also, many outdoor markets and cultural festivals are free to attend. Check the local tourism website for schedules.
Is the sea warm enough for swimming in late September?
Yes, the sea in Nice usually stays around 22°C (72°F) in late September, which most people find comfortable for swimming. A wetsuit is not necessary.