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September Weather in Eastbourne, New Zealand

Last updated: August 31, 2025

In September, the average temperature in Eastbourne, New Zealand hovers around 11°C (51°F), bringing a refreshing chill to the air. Expect a minimum of 3°C (38°F) on cooler days and a comfortable maximum of 16°C (61°F). With an average precipitation of 92 mm (3.6 in) spread over 13 days, be prepared for some rainy spells. The atmosphere is also quite humid, with an average humidity level of 83%.

September Temperature in Eastbourne

In September in Eastbourne, the average temperature is 11°C (51°F), with maximums reaching 16°C (61°F) and minimums dipping as low as 3°C (38°F). It's a mild time for traveling, so be prepared for both cool and slightly warmer days.

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

The chart illustrates September temperature patterns in Eastbourne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Eastbourne, September typically has an average temperature of 11°C (51°F), with highs reaching up to 16°C (61°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec636361575451495051545761
Data source: Temperature data for Eastbourne 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 Eastbourne

In Eastbourne in September, the precipitation amount is 92 mm (3.6 in) spread over 13 days.

September Precipitation Trends in Eastbourne

The chart displays monthly precipitation patterns in Eastbourne, 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 Eastbourne, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec41647197819010384927781104
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Eastbourne

In Eastbourne in September, humidity is 83%. With an average temperature of 11°C (51°F), this humidity feels like a chilly dampness that clings to your skin, making any outdoor adventures a bit uncomfortable and best enjoyed with layered clothing and a light raincoat.

September Average Humidity in Eastbourne

This chart illustrates the average monthly humidity levels in Eastbourne, 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 Eastbourne is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%79%80%84%86%86%83%83%82%82%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Eastbourne

In Eastbourne 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 Eastbourne, you can refer to this Hourly UV Index in Eastbourne.

Maximum UV Index Levels in Eastbourne for September

The chart shows the monthly maximum UV Index (UVI) for Eastbourne 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 Eastbourne typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313974224691013
Data source: Eastbourne 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 Eastbourne Compares to Other Months

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

This table compares monthly weather conditions in Eastbourne, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)41 mm (1.6 inches)79%extreme
February Weather17°C (63°F)63 mm (2.5 inches)79%extreme
March Weather16°C (61°F)71 mm (2.8 inches)79%very high
April Weather14°C (58°F)97 mm (3.8 inches)80%high
May Weather12°C (55°F)81 mm (3.2 inches)84%moderate
June Weather11°C (51°F)90 mm (3.6 inches)86%low
July Weather10°C (50°F)103 mm (4.1 inches)86%low
August Weather10°C (50°F)84 mm (3.3 inches)83%moderate
September Weather11°C (51°F)92 mm (3.6 inches)83%high
October Weather12°C (54°F)77 mm (3.0 inches)82%very high
November Weather14°C (57°F)81 mm (3.2 inches)82%very high
December Weather16°C (61°F)104 mm (4.1 inches)81%extreme

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