Climate averages 1991–2020
Piatra Neamţ weather
in September.
A mild, moderately wet month: the 4th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a mild month in Piatra Neamţ: daytime highs average 18.6°C and nights cool to about 9.3°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 64 mm of rain on roughly 10 days, which makes September a moderately wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 37 min on an average September day.
The nearest other city in this atlas is Bacău (59 km away). In September its highs average 20.9°C, 2.3°C warmer than Piatra Neamţ, with 46 mm of rain.
Among the 27 cities listed in Romania, Piatra Neamţ ranks 27th of 27 for the warmest September highs and 16th of 27 for the driest September (rainfall, lowest first). The mean September high of those 27 cities is 21.3°C; Piatra Neamţ is 2.8°C cooler than that mean.
From September to October, average highs fall by 5.4°C to 13.1°C, and monthly rainfall falls from 64 mm to 52 mm.
The annual picture
September in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Piatra Neamţ climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 0.7°C-7.6°C | -7.6°C | 29 | 6.8 | 9.09 h |
| February | 2.6°C-6.5°C | -6.5°C | 30 | 7.0 | 10.310 h |
| March | 6.9°C-2.6°C | -2.6°C | 51 | 11.2 | 11.912 h |
| April | 13.1°C2.5°C | 2.5°C | 69 | 12.4 | 13.614 h |
| May | 18.4°C8.1°C | 8.1°C | 90 | 14.5 | 15.015 h |
| June | 21.9°C12.2°C | 12.2°C | 116 | 15.8 | 15.816 h |
| July | 23.6°C13.9°C | 13.9°C | 115 | 14.8 | 15.515 h |
| August | 23.3°C13.8°C | 13.8°C | 85 | 12.3 | 14.214 h |
| September, selected | 18.6°C9.3°C | 9.3°C | 64 | 9.7 | 12.613 h |
| October | 13.1°C4.3°C | 4.3°C | 52 | 7.9 | 10.911 h |
| November | 7.2°C-0.6°C | -0.6°C | 35 | 6.6 | 9.49 h |
| December | 1.9°C-5.5°C | -5.5°C | 37 | 7.5 | 8.69 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Bacău in SeptemberRomania · 59 kmHigh 20.9°C · Low 11.8°C · 46 mm rain
- Suceava in SeptemberRomania · 80 kmHigh 19.0°C · Low 9.9°C · 56 mm rain
- Botoşani in SeptemberRomania · 96 kmHigh 20.4°C · Low 12.0°C · 55 mm rain
- Iaşi in SeptemberRomania · 100 kmHigh 21.5°C · Low 12.6°C · 50 mm rain
- Bistriţa in SeptemberRomania · 141 kmHigh 19.4°C · Low 9.6°C · 76 mm rain
- Târgu Mureş in SeptemberRomania · 142 kmHigh 20.7°C · Low 11.1°C · 70 mm rain
- Braşov in SeptemberRomania · 152 kmHigh 19.3°C · Low 10.6°C · 59 mm rain
- Bălţi in SeptemberMoldova · 153 kmHigh 21.0°C · Low 12.3°C · 57 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Piatra Neamţ) is explained once on the Piatra Neamţ year overview and on the Sources, method and limits page.