nomadseason

September Weather in Erwin, United States

Last updated: June 24, 2025

In September, the average temperature in Erwin, United States is a pleasant 21°C (70°F). However, temperatures can vary significantly, dipping to a chilly 6°C (43°F) and soaring to a warm 33°C (92°F). Be prepared for some rain, as 85 mm (3.4 in) of precipitation can fall over 9 days. With an average humidity of 67%, it's advisable to stay hydrated and embrace the climate!

September Temperature in Erwin

In September in Erwin, the average temperature is 21°C (70°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 6°C (43°F). This weather makes Erwin an ideal destination for travelers seeking pleasant temperatures and a variety of outdoor activities.

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

The chart illustrates September temperature patterns in Erwin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Erwin, September typically has an average temperature of 21°C (70°F), with highs reaching up to 33°C (92°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec384449566571757370604642
Data source: Temperature data for Erwin 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 Erwin

In Erwin in September, the total precipitation amount is 85 mm (3.4 in) recorded over a span of 9 days.

September Precipitation Trends in Erwin

The chart displays monthly precipitation patterns in Erwin, 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 Erwin, September typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec97143128133120111841058511681130
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Erwin

In Erwin in September humidity is 67%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making travel a bit stifling but still enjoyable if you're prepared with light clothing and plenty of water.

September Average Humidity in Erwin

This chart illustrates the average monthly humidity levels in Erwin, 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 Erwin is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Erwin

In Erwin in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Erwin.

Maximum UV Index Levels in Erwin for September

The chart shows the monthly maximum UV Index (UVI) for Erwin 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 Erwin typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111010853
Data source: Erwin 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 Erwin Compares to Other Months

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

This table compares monthly weather conditions in Erwin, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)97 mm (3.8 inches)88%moderate
February Weather7°C (44°F)143 mm (5.6 inches)88%high
March Weather9°C (49°F)128 mm (5.1 inches)87%very high
April Weather13°C (56°F)133 mm (5.2 inches)84%very high
May Weather18°C (65°F)120 mm (4.7 inches)84%extreme
June Weather22°C (71°F)111 mm (4.4 inches)83%extreme
July Weather24°C (75°F)84 mm (3.3 inches)79%extreme
August Weather23°C (73°F)105 mm (4.1 inches)66%very high
September Weather21°C (70°F)85 mm (3.4 inches)67%very high
October Weather16°C (60°F)116 mm (4.5 inches)76%very high
November Weather8°C (46°F)81 mm (3.2 inches)89%moderate
December Weather6°C (42°F)130 mm (5.1 inches)88%moderate

Compare Erwin's Climate with Cities Worldwide