Ottawa Tempo Previsão
Ottawa weather: 12°C, céu limpo. Por hora forecast, 14-day outlook, UV, air quality and the best time a visit.
Ottawa weather in setembro
One of the best months a visit Ottawa.
setembro runs 10°C warmer than the annual average in Ottawa.
Tempo map for Ottawa
Animated model layers. Pick a layer a load it.
Animated layers by Ventoy. For pin-level detail and nearby places, see the interactive map below.
Clima in Ottawa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mês | Máxima média | Mínima média | Precipitação | Avaliação |
|---|---|---|---|---|
| janeiro | -5° | -13° | 61 mm | ★★☆☆☆ |
| fevereiro | -3° | -13° | 49 mm | ★★☆☆☆ |
| março | 5° | -6° | 79 mm | ★★☆☆☆ |
| abril | 11° | 1° | 128 mm | ★★★☆☆ |
| mai | 19° | 9° | 87 mm | ★★★★☆ |
| junho | 24° | 15° | 136 mm | ★★★★☆ |
| julho | 27° | 18° | 113 mm | ★★★★☆ |
| agosto | 25° | 16° | 104 mm | ★★★★☆ |
| setembro | 22° | 13° | 39 mm | ★★★★☆ |
| outubro | 15° | 7° | 74 mm | ★★★★☆ |
| novembro | 5° | -1° | 60 mm | ★★★☆☆ |
| dezembro | -2° | -9° | 90 mm | ★★☆☆☆ |
Clima type: Subarctic. Fonte: Open-Meteo archive (ERA5).
Melhor época para visitar Ottawa
Go in setembro. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janeiro, fevereiro and dezembro – expect the least comfortable mix of heat, cold or rain.
What a pack, what a skip
- Layers – the daily swing is 19°C, so mornings feel nothing like afternoons
- A warm mid-layer and gloves for early mornings and evenings
- If your dates are flexible, avoid janeiro, fevereiro and dezembro – historically the least comfortable months here.
How Ottawa compares com nearby places
Annual averages, and the difference against Ottawa.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| seg.t-Tremblant National Park | 144 km | 4°C | 3°C cooler | 1268 mm |
| seg.treal-Trudeau International Airport | 153 km | 8°C | +1°C warmer | 1074 mm |
| seg.treal | 166 km | 8°C | +1°C warmer | 1065 mm |
| Algonquin Provincial Park | 214 km | 6°C | 2°C cooler | 893 mm |
| Burlington | 222 km | 9°C | +2°C warmer | 1139 mm |
Ver a previsão de Ottawa por período
Ottawa weather – more answers
Explore Ottawa
Every topic we hold for this place, and the same topic for the places around it.
Tempo for related places
Frequently asked questions
Where is Ottawa?
Ottawa is a city in Ontario. Its coordinates are 45.4215, -75.6972. It lies in América do Norte.
What is the weather like in Ottawa agora?
It is currently 12°C (54°F) com céu limpo. Humidade is 74% and wind is 7 km/h.
When is the best time a visit Ottawa?
setembro offer the most comfortable conditions in Ottawa, which has a subarctic climate. janeiro, fevereiro and dezembro are usually the hardest months for outdoor plans.
What time zone is Ottawa in?
Ottawa observes America/Toronto (UTC-04:00). The hora local is 12:02 AM.
How many people live in Ottawa?
Ottawa has a population of approximately 1 million.
What is the nearest airport a Ottawa?
The closest airports are seg.treal-Trudeau International Airport (YUL), 153 km away and Toronto Pearson International Airport (YYZ), 367 km away.
What are the top things a do in Ottawa?
Popular options include seg.t-Tremblant National Park, Algonquin Provincial Park, Franconia Notch State Park, Watkins Glen State Park, CN Tower and Letchworth State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-supported) – coordinates, hierarchy and facts. |
|---|---|
| Previsão and observations | Open-Meteo (ECMWF and national models). |
| Qualidade do ar and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Clima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing – the block is simply not shown. |
Last updated setembro 21, 2026 at 12:02 AM hora local. Live blocks refresh every 15 minutes; climate averages monthly.
