World sea water temperatures

Water temperature in Malheur Lake (OR) in September

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Is it warm enough to swim in Malheur Lake in September? Average water temperature in Malheur Lake in September is 60.8°F and therefore is not suitable for comfortable swimming. The warmest water in Malheur Lake in September is 67.8°F, and the coldest is 50.7°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Malheur Lake

Changes water temperature in Malheur Lake in September 2025, 2024

To get an accurate forecast for the water temperature in Malheur Lake for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Malheur Lake, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of September.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
September 170.5°F65.3°F64.8°F70.5°F
September 269.3°F65.1°F64.6°F69.3°F
September 370.3°F65.1°F64.6°F70.3°F
September 469.8°F64.9°F64.4°F69.8°F
September 569.4°F61.9°F61.9°F69.4°F
September 668.9°F63°F63°F68.9°F
September 766.9°F62.4°F62.4°F66.9°F
September 866.7°F62.1°F62.1°F67.1°F
September 965.8°F64.2°F62.4°F66.4°F
September 1065.1°F64.2°F61.9°F66.2°F
September 1164.2°F63.3°F61.3°F65.5°F
September 1263.1°F62.6°F60.6°F64.4°F
September 1362.4°F61.7°F60.1°F63.9°F
September 1461.9°F61.5°F58.5°F63.5°F
September 1560.8°F61.3°F59.4°F63.1°F
Day 2025 2024 Min Max
September 1661.2°F61.2°F59.9°F63°F
September 1760.8°F61°F59.9°F62.4°F
September 1861.2°F60.8°F59.7°F62.2°F
September 1961.2°F60.6°F59°F61.9°F
September 2063.9°F60.4°F57.2°F63.9°F
September 2163°F59.9°F56.8°F63°F
September 2262.4°F59.4°F56.7°F62.4°F
September 2361.7°F58.8°F56.5°F61.7°F
September 2462.1°F58.3°F56.1°F62.1°F
September 2561.9°F60.1°F55.9°F61.9°F
September 2661.3°F59.4°F55.6°F61.3°F
September 27 58.6°F53.4°F58.6°F
September 28 61.5°F51.8°F61.5°F
September 29 60.8°F50.7°F60.8°F
September 30 60.1°F51.1°F60.1°F
Malheur Lake water temp chart in September

Average water temperature in Malheur Lake in September over a decade

20152016201720182019
61.2°F60.6°F62.8°F60.4°F60.4°F
20202021202220232024
60.4°F60.4°F60.4°F60.3°F61.7°F

Malheur Lake water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in September?

Want to know where the water temperature in September is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Temperature in neighboring cities

The nearest locations with the average water temperature in September. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Pyramid Lake71.1°F65.3°F78.3°F
Lake Almanor68.4°F61.9°F75°F
Florence55.2°F48.2°F64.2°F
Searose Beach55.2°F47.7°F63.1°F
Waldport55.2°F49.1°F63.1°F
Yachats55.4°F48.2°F63.1°F
Cape Perpetua55.4°F48.2°F63.1°F
Coos Bay54.9°F48.7°F62.8°F
Newport55.2°F48°F63.3°F
Charleston54.9°F48.9°F62.8°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Malheur Lake is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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