nomadseason

September Weather in Gallipolis, United States

Last updated: June 24, 2025

In Gallipolis, United States, the average temperature in September hovers around 21°C (71°F). However, temperatures can vary significantly, with minimums dipping to 7°C (44°F) and maximums soaring up to 37°C (98°F). Expect precipitation of about 106 mm (4.2 in) over 8 days, accompanied by an average humidity level of 73%. Weather in this region can be quite dynamic!

September Temperature in Gallipolis

In September in Gallipolis, the average temperature is 21°C (71°F). Maximums can reach 37°C (98°F), while minimums can dip as low as 7°C (44°F). This makes Gallipolis a versatile destination for travelers, offering comfortable weather for outdoor activities throughout the month.

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

The chart illustrates September temperature patterns in Gallipolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gallipolis, September typically has an average temperature of 21°C (71°F), with highs reaching up to 37°C (98°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec354047556673787571604540
Data source: Temperature data for Gallipolis 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 Gallipolis

In Gallipolis in September, the precipitation amount is 106 mm (4.2 in) over a span of 8 days.

September Precipitation Trends in Gallipolis

The chart displays monthly precipitation patterns in Gallipolis, 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 Gallipolis, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9513510713213515411412010611179123
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Gallipolis

In Gallipolis in September humidity is 73%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities a bit uncomfortable, but with proper hydration and breaks in the shade, it’s still manageable for traveling.

September Average Humidity in Gallipolis

This chart illustrates the average monthly humidity levels in Gallipolis, 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 Gallipolis is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gallipolis

In Gallipolis in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Gallipolis.

Maximum UV Index Levels in Gallipolis for September

The chart shows the monthly maximum UV Index (UVI) for Gallipolis 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 Gallipolis typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108753
Data source: Gallipolis 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 Gallipolis Compares to Other Months

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

This table compares monthly weather conditions in Gallipolis, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)95 mm (3.7 inches)88%moderate
February Weather4°C (40°F)134 mm (5.3 inches)88%moderate
March Weather8°C (47°F)107 mm (4.2 inches)88%high
April Weather13°C (56°F)132 mm (5.2 inches)86%very high
May Weather19°C (66°F)135 mm (5.3 inches)82%very high
June Weather23°C (73°F)154 mm (6.1 inches)84%very high
July Weather25°C (78°F)114 mm (4.5 inches)82%very high
August Weather24°C (76°F)120 mm (4.7 inches)73%very high
September Weather21°C (71°F)106 mm (4.2 inches)73%very high
October Weather16°C (60°F)111 mm (4.4 inches)81%high
November Weather7°C (46°F)79 mm (3.1 inches)89%moderate
December Weather4°C (40°F)123 mm (4.8 inches)86%moderate

Compare Gallipolis's Climate with Cities Worldwide