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September Weather in Sanson, New Zealand

Last updated: August 31, 2025

In September, the average temperature in Sanson, New Zealand hovers around 11°C (52°F), with a minimum dipping to 1°C (34°F) and a maximum reaching 20°C (68°F). Expect about 114 mm (4.5 in) of precipitation spread over 16 days, contributing to an average humidity of 80%. Be prepared for a mix of chilly and damp days!

September Temperature in Sanson

In September in Sanson, the average temperature is 11°C (52°F). Maximums can reach 20°C (68°F), while minimums can drop to as low as 1°C (34°F). This pleasant climate makes it an ideal time for travelers to explore the beauty of Sanson.

September Weather in Sanson: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sanson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanson, September typically has an average temperature of 11°C (52°F), with highs reaching up to 20°C (68°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec656563585451495052555963
Data source: Temperature data for Sanson generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sanson

In Sanson in September, the precipitation amount is 114 mm (4.5 in), occurring over a span of 16 days.

September Precipitation Trends in Sanson

The chart displays monthly precipitation patterns in Sanson, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Sanson, September typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec636682118788910010611410385134
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sanson

In Sanson in September, humidity is 80%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making travel a bit uncomfortable as you navigate through the thick, languid air.

September Average Humidity in Sanson

This chart illustrates the average monthly humidity levels in Sanson, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Sanson is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%76%77%82%83%84%81%80%79%78%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sanson

In Sanson in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sanson, you can refer to this Hourly UV Index in Sanson.

Maximum UV Index Levels in Sanson for September

The chart shows the monthly maximum UV Index (UVI) for Sanson in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Sanson typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974234691113
Data source: Sanson September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Sanson Compares to Other Months

Weather in Sanson varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sanson, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sanson, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)63 mm (2.5 inches)75%extreme
February Weather18°C (65°F)66 mm (2.6 inches)76%extreme
March Weather17°C (63°F)82 mm (3.2 inches)75%very high
April Weather14°C (58°F)118 mm (4.7 inches)77%high
May Weather12°C (54°F)78 mm (3.1 inches)82%moderate
June Weather10°C (51°F)89 mm (3.5 inches)83%low
July Weather10°C (50°F)100 mm (3.9 inches)83%moderate
August Weather10°C (50°F)106 mm (4.2 inches)81%moderate
September Weather11°C (52°F)114 mm (4.5 inches)80%high
October Weather13°C (55°F)103 mm (4.1 inches)79%very high
November Weather15°C (59°F)85 mm (3.3 inches)78%extreme
December Weather17°C (63°F)134 mm (5.3 inches)75%extreme

Compare Sanson's Climate with Cities Worldwide