Montivilliers weather in September
In September, Montivilliers sees average daytime highs of 19°C and overnight lows near 13°C, with 71 mm of rain across 11.5 wet days and about 12.4 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.
Highs ease over the month, from about 19°C in the first days to 17°C by the end. The sky is clear or mostly clear about 23% of the time in September, and the air most often feels dry.
Daylight stretches from about 13 h 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Montivilliers's 4th-clearest and 8th-windiest month. For the whole year in context, see Montivilliers's year-round climate.
- Daytime high
- 19°
- 3rd warmest
- Overnight low
- 13°
- 10th coldest
- Rainfall
- 71 mm
- 11.5 wet days
- Daylight
- 12 h 24 min
- 6:43 AM – 7:04 PM
- Cloud cover
- 63%
- 4th clearest
- Wind
- 16 km/h
- 8th windiest
- Solar energy
- 3.55 kWh/m²
- Travel score
- 5.7
- out of 10
Temperature in September
Highs ease over the month, from about 19°C in the first days to 17°C by the end.
A typical September day in Montivilliers reaches about 19°C in the afternoon and slips back to 13°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 22°C. Set against its neighbours, September runs about 2°C cooler than August and about 3°C warmer than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 20 | 20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 |
| Avg low (°C) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 20 | 14 |
| 2 | 20 | 14 |
| 3 | 20 | 14 |
| 4 | 19 | 14 |
| 5 | 19 | 14 |
| 6 | 19 | 14 |
| 7 | 19 | 14 |
| 8 | 19 | 14 |
| 9 | 19 | 13 |
| 10 | 19 | 13 |
| 11 | 19 | 13 |
| 12 | 19 | 13 |
| 13 | 19 | 13 |
| 14 | 19 | 13 |
| 15 | 19 | 13 |
| 16 | 19 | 13 |
| 17 | 18 | 13 |
| 18 | 18 | 13 |
| 19 | 18 | 13 |
| 20 | 18 | 13 |
| 21 | 18 | 12 |
| 22 | 18 | 12 |
| 23 | 18 | 12 |
| 24 | 18 | 12 |
| 25 | 18 | 12 |
| 26 | 18 | 12 |
| 27 | 17 | 12 |
| 28 | 17 | 12 |
| 29 | 17 | 12 |
| 30 | 17 | 12 |
How September really feels in Montivilliers
Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Montivilliers weather by month
How September compares with the rest of the year at a glance. September is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 4° | 82 | 14.2 | 0.7 | 8.4 | 1.0 |
| Feb | 8° / 4° | 68 | 12.7 | 0.9 | 9.8 | 1.1 |
| Mar | 10° / 5° | 67 | 12.4 | 0.5 | 11.5 | 2.2 |
| Apr | 13° / 7° | 62 | 11.7 | 0.1 | 13.4 | 3.3 |
| May | 15° / 10° | 63 | 11.6 | 0 | 15.1 | 4.5 |
| Jun | 18° / 13° | 63 | 11.2 | 0 | 16 | 5.6 |
| Jul | 20° / 15° | 61 | 11.3 | 0 | 15.6 | 6.2 |
| Aug | 21° / 15° | 72 | 11.8 | 0 | 14.2 | 6.2 |
| Sep | 19° / 13° | 71 | 11.5 | 0 | 12.4 | 5.7 |
| Oct | 15° / 10° | 95 | 14.4 | 0 | 10.5 | 4.1 |
| Nov | 11° / 7° | 100 | 15.5 | 0.1 | 8.9 | 2.3 |
| Dec | 8° / 5° | 111 | 15.7 | 0.7 | 8 | 1.2 |
Cloud cover in September
The sky is clear or mostly clear about 23% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 60%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 44 | 44 | 44 | 43 | 43 | 42 | 42 | 41 | 41 | 41 | 40 | 40 | 39 | 39 | 40 | 40 | 40 | 40 | 39 | 39 | 40 | 40 | 40 | 39 | 38 | 37 | 36 | 36 | 34 | 34 |
| Cloudier (%) | 56 | 56 | 56 | 57 | 57 | 58 | 58 | 59 | 59 | 59 | 60 | 60 | 61 | 61 | 60 | 60 | 60 | 60 | 61 | 61 | 60 | 60 | 60 | 61 | 62 | 63 | 64 | 64 | 66 | 66 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 44 | 56 |
| 2 | 44 | 56 |
| 3 | 44 | 56 |
| 4 | 43 | 57 |
| 5 | 43 | 57 |
| 6 | 42 | 58 |
| 7 | 42 | 58 |
| 8 | 41 | 59 |
| 9 | 41 | 59 |
| 10 | 41 | 59 |
| 11 | 40 | 60 |
| 12 | 40 | 60 |
| 13 | 39 | 61 |
| 14 | 39 | 61 |
| 15 | 40 | 60 |
| 16 | 40 | 60 |
| 17 | 40 | 60 |
| 18 | 40 | 60 |
| 19 | 39 | 61 |
| 20 | 39 | 61 |
| 21 | 40 | 60 |
| 22 | 40 | 60 |
| 23 | 40 | 60 |
| 24 | 39 | 61 |
| 25 | 38 | 62 |
| 26 | 37 | 63 |
| 27 | 36 | 64 |
| 28 | 36 | 64 |
| 29 | 34 | 66 |
| 30 | 34 | 66 |
Chance of precipitation in September
Montivilliers gets around 71 mm of rain over 11.5 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 39% and peaks near 46% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 41 | 42 | 43 | 44 | 45 | 45 | 46 |
| Rain chance (%) | |
|---|---|
| 1 | 36 |
| 2 | 36 |
| 3 | 36 |
| 4 | 36 |
| 5 | 36 |
| 6 | 37 |
| 7 | 37 |
| 8 | 38 |
| 9 | 38 |
| 10 | 38 |
| 11 | 39 |
| 12 | 39 |
| 13 | 39 |
| 14 | 39 |
| 15 | 39 |
| 16 | 39 |
| 17 | 39 |
| 18 | 39 |
| 19 | 39 |
| 20 | 39 |
| 21 | 39 |
| 22 | 40 |
| 23 | 40 |
| 24 | 41 |
| 25 | 42 |
| 26 | 43 |
| 27 | 44 |
| 28 | 45 |
| 29 | 45 |
| 30 | 46 |
Humidity in September
Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the dry band about 62% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 48 | 49 | 51 | 53 | 54 | 54 | 55 | 56 | 57 | 59 | 60 | 60 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 71 | 71 | 72 |
| Comfortable (%) | 40 | 39 | 38 | 37 | 36 | 36 | 35 | 34 | 33 | 32 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 27 |
| Humid (%) | 12 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 |
| Muggy (%) | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 48 | 40 | 12 | 1 |
| 2 | 49 | 39 | 11 | 1 |
| 3 | 51 | 38 | 11 | 0 |
| 4 | 53 | 37 | 10 | 0 |
| 5 | 54 | 36 | 10 | 0 |
| 6 | 54 | 36 | 10 | 0 |
| 7 | 55 | 35 | 10 | 0 |
| 8 | 56 | 34 | 10 | 0 |
| 9 | 57 | 33 | 10 | 0 |
| 10 | 59 | 32 | 9 | 0 |
| 11 | 60 | 31 | 9 | 0 |
| 12 | 60 | 31 | 9 | 0 |
| 13 | 62 | 30 | 8 | 0 |
| 14 | 63 | 29 | 8 | 0 |
| 15 | 64 | 29 | 7 | 0 |
| 16 | 65 | 28 | 7 | 0 |
| 17 | 66 | 28 | 6 | 0 |
| 18 | 67 | 27 | 6 | 0 |
| 19 | 68 | 27 | 5 | 0 |
| 20 | 68 | 27 | 5 | 0 |
| 21 | 69 | 27 | 4 | 0 |
| 22 | 69 | 28 | 3 | 0 |
| 23 | 69 | 28 | 3 | 0 |
| 24 | 69 | 28 | 3 | 0 |
| 25 | 69 | 29 | 2 | 0 |
| 26 | 69 | 29 | 2 | 0 |
| 27 | 69 | 29 | 2 | 0 |
| 28 | 71 | 28 | 1 | 0 |
| 29 | 71 | 28 | 1 | 0 |
| 30 | 72 | 27 | 1 | 0 |
Wind in September
Winds average 16 km/h in September.
Across September, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 17 | light breeze |
| 27 | 17 | light breeze |
| 28 | 17 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
Sunrise & sunset in September
Daylight runs from about 13 h 18 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 108 minutes over September. Sunrise moves from 6:20 AM to 7:04 AM, and sunset from 7:38 PM to 6:33 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.3 | 13.2 | 13.2 | 13.1 | 13.1 | 13.0 | 12.9 | 12.9 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.4 | 12.4 | 12.3 | 12.2 | 12.2 | 12.1 | 12.0 | 12.0 | 11.9 | 11.9 | 11.8 | 11.7 | 11.7 | 11.6 | 11.5 | 11.5 |
| Sunrise (AM) | 6:20 | 6:22 | 6:23 | 6:25 | 6:26 | 6:28 | 6:29 | 6:31 | 6:32 | 6:34 | 6:35 | 6:37 | 6:38 | 6:40 | 6:41 | 6:43 | 6:44 | 6:46 | 6:47 | 6:49 | 6:50 | 6:52 | 6:53 | 6:55 | 6:56 | 6:58 | 7:00 | 7:01 | 7:03 | 7:04 |
| Sunset (PM) | 7:38 | 7:36 | 7:33 | 7:31 | 7:29 | 7:27 | 7:25 | 7:22 | 7:20 | 7:18 | 7:16 | 7:13 | 7:11 | 7:09 | 7:07 | 7:04 | 7:02 | 7:00 | 6:58 | 6:55 | 6:53 | 6:51 | 6:49 | 6:46 | 6:44 | 6:42 | 6:40 | 6:37 | 6:35 | 6:33 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.3 | 6:20 | 7:38 |
| 2 | 13.2 | 6:22 | 7:36 |
| 3 | 13.2 | 6:23 | 7:33 |
| 4 | 13.1 | 6:25 | 7:31 |
| 5 | 13.1 | 6:26 | 7:29 |
| 6 | 13.0 | 6:28 | 7:27 |
| 7 | 12.9 | 6:29 | 7:25 |
| 8 | 12.9 | 6:31 | 7:22 |
| 9 | 12.8 | 6:32 | 7:20 |
| 10 | 12.7 | 6:34 | 7:18 |
| 11 | 12.7 | 6:35 | 7:16 |
| 12 | 12.6 | 6:37 | 7:13 |
| 13 | 12.6 | 6:38 | 7:11 |
| 14 | 12.5 | 6:40 | 7:09 |
| 15 | 12.4 | 6:41 | 7:07 |
| 16 | 12.4 | 6:43 | 7:04 |
| 17 | 12.3 | 6:44 | 7:02 |
| 18 | 12.2 | 6:46 | 7:00 |
| 19 | 12.2 | 6:47 | 6:58 |
| 20 | 12.1 | 6:49 | 6:55 |
| 21 | 12.0 | 6:50 | 6:53 |
| 22 | 12.0 | 6:52 | 6:51 |
| 23 | 11.9 | 6:53 | 6:49 |
| 24 | 11.9 | 6:55 | 6:46 |
| 25 | 11.8 | 6:56 | 6:44 |
| 26 | 11.7 | 6:58 | 6:42 |
| 27 | 11.7 | 7:00 | 6:40 |
| 28 | 11.6 | 7:01 | 6:37 |
| 29 | 11.5 | 7:03 | 6:35 |
| 30 | 11.5 | 7:04 | 6:33 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 3.55 kWh/m².
For context, solar energy here swings from a low near 0.8 kWh/m² to a high of 5.93 kWh/m² in June across the year — September's 3.55 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.2 | 4.1 | 4.1 | 4.1 | 4.0 | 4.0 | 3.9 | 3.9 | 3.8 | 3.8 | 3.8 | 3.7 | 3.7 | 3.6 | 3.6 | 3.5 | 3.5 | 3.4 | 3.4 | 3.4 | 3.3 | 3.3 | 3.2 | 3.1 | 3.1 | 3.0 | 3.0 | 2.9 | 2.9 | 2.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.2 | Bright |
| 2 | 4.1 | Bright |
| 3 | 4.1 | Bright |
| 4 | 4.1 | Bright |
| 5 | 4.0 | Bright |
| 6 | 4.0 | Moderate |
| 7 | 3.9 | Moderate |
| 8 | 3.9 | Moderate |
| 9 | 3.8 | Moderate |
| 10 | 3.8 | Moderate |
| 11 | 3.8 | Moderate |
| 12 | 3.7 | Moderate |
| 13 | 3.7 | Moderate |
| 14 | 3.6 | Moderate |
| 15 | 3.6 | Moderate |
| 16 | 3.5 | Moderate |
| 17 | 3.5 | Moderate |
| 18 | 3.4 | Moderate |
| 19 | 3.4 | Moderate |
| 20 | 3.4 | Moderate |
| 21 | 3.3 | Moderate |
| 22 | 3.3 | Moderate |
| 23 | 3.2 | Moderate |
| 24 | 3.1 | Moderate |
| 25 | 3.1 | Moderate |
| 26 | 3.0 | Moderate |
| 27 | 3.0 | Moderate |
| 28 | 2.9 | Moderate |
| 29 | 2.9 | Moderate |
| 30 | 2.8 | Moderate |
Is September a good time to visit Montivilliers?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a reasonable time to visit Montivilliers for sightseeing.
What to pack for Montivilliers in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Montivilliers sees daytime highs around 19°C and nights near 13°C. Worth packing: rain gear. About 12 days see rain.
Sea temperature near Montivilliers in September
The nearest coast averages about 18°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 19°C and coldest in February near 8°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 9 | 8 | 8 | 10 | 12 | 15 | 17 | 19 | 18 | 16 | 13 | 10 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 9 | Bracing |
| Feb | 8 | Bracing |
| Mar | 8 | Bracing |
| Apr | 10 | Bracing |
| May | 12 | Bracing |
| Jun | 15 | Bracing |
| Jul | 17 | Cool |
| Aug | 19 | Cool |
| Sep | 18 | Cool |
| Oct | 16 | Cool |
| Nov | 13 | Bracing |
| Dec | 10 | Bracing |
UV index in Montivilliers in September
Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Montivilliers peaks around June 18 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 3 | 5 | 6 | 7 | 6 | 7 | 4 | 3 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 3 | Moderate |
| Apr | 5 | Moderate |
| May | 6 | High |
| Jun | 7 | High |
| Jul | 6 | High |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Air quality in Montivilliers in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Montivilliers is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 10 | 14 | 15 | 13 | 12 | 10 | 11 | 10 | 8 | 7 | 8 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 10 | Good |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 13 | Moderate |
| Jun | 12 | Moderate |
| Jul | 10 | Good |
| Aug | 11 | Good |
| Sep | 10 | Good |
| Oct | 8 | Good |
| Nov | 7 | Good |
| Dec | 8 | Good |
Where is Montivilliers?
Montivilliers sits at 49.5°N, 0.2°E, 14 m above sea level, in France. The nearest listed city is Le Havre, 8.0 km away.
Topography around Montivilliers
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Montivilliers.
Within 3 km, the terrain around Montivilliers has only modest variations in elevation — a maximum elevation change of 103 m around an average of 64 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 148 m; within 80 km, significant variations in elevation — a maximum elevation change of 335 m.
The land around Montivilliers is covered by cropland (37%), trees (30%) and grassland (20%) within 3 km, water (37%) and cropland (26%) within 16 km, and water (33%) and cropland (31%) within 80 km.
France travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E
- 230 V · 50 Hz
- Prices
- ≈ 77% of US
- price level, 2025
- GDP per capita
- $48,986
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.3
- per 100k, 2023
- Road deaths
- 5.1
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 539
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Montivilliers (49.5452°, 0.1877°, elevation 14 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).