Blenheim Weather in September
What's the weather like in Blenheim (Marlborough) in September 2024?
The climate in Blenheim during September can be summarized as cool and reasonably dry.
September is in the spring in Blenheim and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 4°C (40°F) is normal.
| Daytime temperature | 14.9°C 58.7°F |
|---|---|
| Nightly temperature | 4.4°C 39.8°F |
| Average temperature | 9.6°C 49.3°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 74 mm 2.9 ins |
| Rainy days | 9 days |
| Sea temperature | 12.4°C 54.4°F |
| Humidity | 75% |
| Windspeed | 16.9kph 11 mph |
On average September is the 6th driest month of the year in Blenheim with around 74mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Blenheim
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Blenheim in September 2024.
Other monthly averages
Best places to visit in September
Blenheim weather stats
| Hottest month: | January | 23.3°C 73.9°F |
|---|---|---|
| Driest month: | February | 43mm 1.7ins |
| Sunniest month: | February | 8.2hrs |
| Coldest month: | July | 11.2°C 52.2°F |
| Wettest month: | August | 95mm 3.7ins |
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