nomadseason

September Weather in Irchester, United Kingdom

Last updated: August 27, 2025

In September, the average temperature in Irchester, United Kingdom hovers around 15°C (59°F). However, expect a range where the minimum can dip to 2°C (37°F) and the maximum can reach 29°C (84°F). With an average precipitation of 56 mm (2.2 in) spread over 10 days, and a notable humidity level of 85%, you'll want to prepare for a mix of weather conditions!

September Temperature in Irchester

In September in Irchester, the average temperature is 15°C (59°F), with maximums reaching 29°C (84°F) and minimums dropping as low as 2°C (37°F). It's a perfect time for travelers to enjoy mild weather while exploring the sights.

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

The chart illustrates September temperature patterns in Irchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irchester, September typically has an average temperature of 15°C (59°F), with highs reaching up to 29°C (84°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245485461646358524542
Data source: Temperature data for Irchester generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Irchester

In Irchester in September, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

September Precipitation Trends in Irchester

The chart displays monthly precipitation patterns in Irchester, 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 Irchester, September typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec524959396573697256865779
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Irchester

In Irchester in September, humidity is 85%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket wrapping around you, making traveling quite uncomfortable and sticky. Be prepared to take frequent breaks and stay hydrated as you navigate the lush, but humid environment.

September Average Humidity in Irchester

This chart illustrates the average monthly humidity levels in Irchester, 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 Irchester is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Irchester

In Irchester in September, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Irchester.

Maximum UV Index Levels in Irchester for September

The chart shows the monthly maximum UV Index (UVI) for Irchester 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 Irchester typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Irchester 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 Irchester Compares to Other Months

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

This table compares monthly weather conditions in Irchester, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)52 mm (2.0 inches)90%low
February Weather6°C (42°F)49 mm (1.9 inches)88%low
March Weather7°C (45°F)59 mm (2.3 inches)86%moderate
April Weather9°C (48°F)39 mm (1.5 inches)84%moderate
May Weather12°C (54°F)65 mm (2.6 inches)80%high
June Weather16°C (61°F)73 mm (2.9 inches)81%very high
July Weather18°C (65°F)69 mm (2.7 inches)76%very high
August Weather17°C (63°F)72 mm (2.8 inches)77%high
September Weather15°C (59°F)56 mm (2.2 inches)85%moderate
October Weather11°C (52°F)86 mm (3.4 inches)90%moderate
November Weather7°C (46°F)57 mm (2.2 inches)92%low
December Weather6°C (43°F)79 mm (3.1 inches)90%low

Compare Irchester's Climate with Cities Worldwide