30YearWeather
Nice, September 25
Nice street view during September
Historical Weather Analysis

Nice Weather on September 25 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

22.4°C

High

15.8°C

Low

17%

Rain

☀️ Feels like 22.8°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 25 is generally a great time to visit Nice. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 22°C weather. Expect a bustling atmosphere in Nice right now—this is when the city truly comes alive with visitors.

Currency

EUR

Euro

Language

French

Driving

Right side

Connect

As of Sept 2021, Nice has 5G from all Fr...

Safety

High Safety

GPI: 1.895

Nice Weather Forecast for September 25

"Mild & Comfortable. Expect average highs of 22.4°C. 17% chance of rain."

What to Wear in Nice in September

Based on historical data for September 25, Nice typically experiences temperatures between 15.8°C and 22.4°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Nice

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

22.4°C

Daytime Peak

Average Low

extreme-cold

15.8°C

Nighttime Low

Feels Like

partly-cloudy-day

22.8°C

☀️ Feels accurate

Rain Chance

rain

17%

Avg 1mm if it rains

Cloud Cover

cloudy

43%

Overcast

Pressure

pressure

1015 hPa

Medium volatility

Nice Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

98%Highly Predictable

Based on 10 years of data

Temperature
±2.3°CStable
Precipitation
9-26%Predictable

🎯 This date historically delivers consistent weather 98% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 27 min to burn

Type III-IV

🟡 41 min to burn

Type V-VI

🟢 68 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

84Excellent
TemperatureWarm
HumidityMuggy
WindLight Breeze

Dew Point

17.3°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
23.4°C
🏊 Swimming Pool
Avg daily surface temperature
Surf Conditions
0.62m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in France

Flight Traffic

High

96/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~205

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Nice

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:22

☀️ Noon

12:24

🌇 Sunset

18:25

⏱️ Daylight

12h 3m

Golden Hour
Morning06:22 - 07:00
17:47 - 18:25Evening

Wind Speed

wind

10.6 km/h

Light breeze

Sunshine

clear-day

9.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

73%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Nice

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Nice

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

86/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1015 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
26AQI
Good
PM2.5 Concentration5.2 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):17
In Sep (30y):3
Last in Sep:2024-09-14
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Nice on September 25 averages 22.4°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 99/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Nice Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2019
27.1°C
Coldest
2025
11.9°C
Rainiest
2022
4.2mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (September 25) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Nice Worth Visiting on September 25?

Planning a trip to Nice on September 25? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 22.4°C with a 17% historical precipitation risk.

✈️ Travel Logistics: Approximately 205 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 7 vaccinations are recommended for France, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 23.4°C (swimming pool). Wave conditions are generally fun waves with heights around 0.62m.

📊 Historical Extremes: The hottest September 25 recorded in the last 30 years saw temperatures hit 27.1°C in 2019, while the coldest dropped to 11.9°C in 2025.

Nice Weather FAQ